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55025552805025 = 52111761919014817
BaseRepresentation
bin11001000001011101000101…
…00001110100110010100001
321012211101120101101101022011
430200232202201310302201
524203014313004230100
6313010220123112521
714406315331431145
oct1440564241646241
9235741511341264
1055025552805025
111659522a055230
1262083a2372741
132491b6c7038ca
14d83372917225
1565651a84cbba
hex320ba2874ca1

55025552805025 has 48 divisors (see below), whose sum is σ = 78940397223360. Its totient is φ = 37603700121600.

The previous prime is 55025552805019. The next prime is 55025552805029. The reversal of 55025552805025 is 52050825552055.

It is not a de Polignac number, because 55025552805025 - 25 = 55025552804993 is a prime.

It is a super-2 number, since 2×550255528050252 (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 55025552805025.

It is not an unprimeable number, because it can be changed into a prime (55025552805029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6613584 + ... + 12401233.

It is an arithmetic number, because the mean of its divisors is an integer number (1644591608820).

Almost surely, 255025552805025 is an apocalyptic number.

55025552805025 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

55025552805025 is a deficient number, since it is larger than the sum of its proper divisors (23914844418335).

55025552805025 is a wasteful number, since it uses less digits than its factorization.

55025552805025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19015474 (or 19015469 counting only the distinct ones).

The product of its (nonzero) digits is 5000000, while the sum is 49.

The spelling of 55025552805025 in words is "fifty-five trillion, twenty-five billion, five hundred fifty-two million, eight hundred five thousand, twenty-five".

Divisors: 1 5 11 17 25 55 85 187 275 425 619 935 3095 4675 6809 10523 15475 34045 52615 115753 170225 263075 578765 2893825 19014817 95074085 209162987 323251889 475370425 1045814935 1616259445 3555770779 5229074675 8081297225 11770171723 17778853895 58850858615 88894269475 129471888953 200092919291 294254293075 647359444765 1000464596455 2201022112201 3236797223825 5002322982275 11005110561005 55025552805025