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55555050000253 = 212727126115643
BaseRepresentation
bin11001010000110111010110…
…00001010100111101111101
321021201000021221202212102211
430220123223001110331331
524240203220300002003
6314053345421420421
714462501633351326
oct1450335301247575
9237630257685384
1055555050000253
1116779845454021
126292b35a0a711
1324cca849bbb4b
14da0c4349d44d
156651aad8a96d
hex3286eb054f7d

55555050000253 has 4 divisors (see below), whose sum is σ = 55555078243168. Its totient is φ = 55555021757340.

The previous prime is 55555050000239. The next prime is 55555050000311. The reversal of 55555050000253 is 35200005055555.

It is a happy number.

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 a de Polignac number, because none of the positive numbers 2k-55555050000253 is a prime.

It is a super-2 number, since 2×555550500002532 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55555050000553) 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, 10930551 + ... + 15185092.

It is an arithmetic number, because the mean of its divisors is an integer number (13888769560792).

Almost surely, 255555050000253 is an apocalyptic number.

It is an amenable number.

55555050000253 is a deficient number, since it is larger than the sum of its proper divisors (28242915).

55555050000253 is a wasteful number, since it uses less digits than its factorization.

55555050000253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28242914.

The product of its (nonzero) digits is 468750, while the sum is 40.

The spelling of 55555050000253 in words is "fifty-five trillion, five hundred fifty-five billion, fifty million, two hundred fifty-three", and thus it is an aban number.

Divisors: 1 2127271 26115643 55555050000253