55526161504 has 48 divisors (see below), whose sum is σ = 119274691536. Its totient is φ = 25235008000.

The previous prime is 55526161499. The next prime is 55526161511. The reversal of 55526161504 is 40516162555.

It is a super-2 number, since 2×55526161504² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3398154 + ... + 3414454.

It is an arithmetic number, because the mean of its divisors is an integer number (2484889407).

Almost surely, 2^55526161504 is an apocalyptic number.

It is an amenable number.

55526161504 is an abundant number, since it is smaller than the sum of its proper divisors (63748530032).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55526161504 is a wasteful number, since it uses less digits than its factorization.

55526161504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25999 (or 25991 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 40.

The spelling of 55526161504 in words is "fifty-five billion, five hundred twenty-six million, one hundred sixty-one thousand, five hundred four".