55622972925 has 72 divisors (see below), whose sum is σ = 107384253704. Its totient is φ = 27359700480.

The previous prime is 55622972903. The next prime is 55622972959. The reversal of 55622972925 is 52927922655.

It is a happy number.

55622972925 is a `hidden beast` number, since 5 + 5 + 62 + 297 + 292 + 5 = 666.

It can be written as a sum of positive squares in 12 ways, for example, as 35523956484 + 20099016441 = 188478^2 + 141771^2 .

It is not a de Polignac number, because 55622972925 - 2⁶ = 55622972861 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3610539 + ... + 3625911.

Almost surely, 2^55622972925 is an apocalyptic number.

It is an amenable number.

55622972925 is a deficient number, since it is larger than the sum of its proper divisors (51761280779).

55622972925 is a wasteful number, since it uses less digits than its factorization.

55622972925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16639 (or 16631 counting only the distinct ones).

The product of its digits is 6804000, while the sum is 54.

The spelling of 55622972925 in words is "fifty-five billion, six hundred twenty-two million, nine hundred seventy-two thousand, nine hundred twenty-five".