55625513555260 has 72 divisors (see below), whose sum is σ = 128400150867408. Its totient is φ = 20227183046400.

The previous prime is 55625513555239. The next prime is 55625513555309. The reversal of 55625513555260 is 6255531552655.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 280720179 + ... + 280918261.

It is an arithmetic number, because the mean of its divisors is an integer number (1783335428714).

Almost surely, 2^{55625513555260} is an apocalyptic number.

It is an amenable number.

55625513555260 is an abundant number, since it is smaller than the sum of its proper divisors (72774637312148).

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

55625513555260 is a wasteful number, since it uses less digits than its factorization.

55625513555260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314155 (or 314142 counting only the distinct ones).

The product of its (nonzero) digits is 33750000, while the sum is 55.

The spelling of 55625513555260 in words is "fifty-five trillion, six hundred twenty-five billion, five hundred thirteen million, five hundred fifty-five thousand, two hundred sixty".