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55605055001 = 232417611087
BaseRepresentation
bin110011110010010100…
…011100111000011001
312022112012201110121112
4303302110130320121
51402334343230001
641313345150105
74005642111656
oct636224347031
9168465643545
1055605055001
1121644670911
12a93a02b335
135322077012
142996cd2c2d
1516a69b6cbb
hexcf251ce19

55605055001 has 4 divisors (see below), whose sum is σ = 58022666112. Its totient is φ = 53187443892.

The previous prime is 55605054983. The next prime is 55605055063. The reversal of 55605055001 is 10055050655.

55605055001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 55605055001 - 222 = 55600860697 is a prime.

It is a super-2 number, since 2×556050550012 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (55605052001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1208805521 + ... + 1208805566.

It is an arithmetic number, because the mean of its divisors is an integer number (14505666528).

Almost surely, 255605055001 is an apocalyptic number.

It is an amenable number.

55605055001 is a deficient number, since it is larger than the sum of its proper divisors (2417611111).

55605055001 is a wasteful number, since it uses less digits than its factorization.

55605055001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2417611110.

The product of its (nonzero) digits is 18750, while the sum is 32.

The spelling of 55605055001 in words is "fifty-five billion, six hundred five million, fifty-five thousand, one".

Divisors: 1 23 2417611087 55605055001