55625521846972 has 48 divisors (see below), whose sum is σ = 122066305546752. Its totient is φ = 21547007916480.

The previous prime is 55625521846969. The next prime is 55625521846981. The reversal of 55625521846972 is 27964812552655.

It is a junction number, because it is equal to n+sod(n) for n = 55625521846898 and 55625521846907.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 521918808 + ... + 522025375.

It is an arithmetic number, because the mean of its divisors is an integer number (2543048032224).

Almost surely, 2^{55625521846972} is an apocalyptic number.

It is an amenable number.

55625521846972 is an abundant number, since it is smaller than the sum of its proper divisors (66440783699780).

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

55625521846972 is a wasteful number, since it uses less digits than its factorization.

55625521846972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1043944378 (or 1043944376 counting only the distinct ones).

The product of its digits is 362880000, while the sum is 67.

The spelling of 55625521846972 in words is "fifty-five trillion, six hundred twenty-five billion, five hundred twenty-one million, eight hundred forty-six thousand, nine hundred seventy-two".