55549396972 has 24 divisors (see below), whose sum is σ = 98881469792. Its totient is φ = 27298252800.

The previous prime is 55549396921. The next prime is 55549396999. The reversal of 55549396972 is 27969394555.

55549396972 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 230572 + ... + 405292.

Almost surely, 2^55549396972 is an apocalyptic number.

It is an amenable number.

55549396972 is a deficient number, since it is larger than the sum of its proper divisors (43332072820).

55549396972 is a wasteful number, since it uses less digits than its factorization.

55549396972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176089 (or 176087 counting only the distinct ones).

The product of its digits is 91854000, while the sum is 64.

The spelling of 55549396972 in words is "fifty-five billion, five hundred forty-nine million, three hundred ninety-six thousand, nine hundred seventy-two".