55256257360032 has 24 divisors (see below), whose sum is σ = 145047675570336. Its totient is φ = 18418752453312.

The previous prime is 55256257359991. The next prime is 55256257360067. The reversal of 55256257360032 is 23006375265255.

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 287793006988 + ... + 287793007179.

It is an arithmetic number, because the mean of its divisors is an integer number (6043653148764).

Almost surely, 2^{55256257360032} is an apocalyptic number.

It is an amenable number.

55256257360032 is an abundant number, since it is smaller than the sum of its proper divisors (89791418210304).

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

55256257360032 is a wasteful number, since it uses less digits than its factorization.

55256257360032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575586014180 (or 575586014172 counting only the distinct ones).

The product of its (nonzero) digits is 11340000, while the sum is 51.

The spelling of 55256257360032 in words is "fifty-five trillion, two hundred fifty-six billion, two hundred fifty-seven million, three hundred sixty thousand, thirty-two".