55695923220 has 96 divisors (see below), whose sum is σ = 187607347200. Its totient is φ = 12060468864.

The previous prime is 55695923219. The next prime is 55695923237. The reversal of 55695923220 is 2232959655.

It is a self number, because there is not a number n which added to its sum of digits gives 55695923220.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 3481740 + ... + 3497699.

It is an arithmetic number, because the mean of its divisors is an integer number (1954243200).

Almost surely, 2^55695923220 is an apocalyptic number.

It is an amenable number.

55695923220 is an abundant number, since it is smaller than the sum of its proper divisors (131911423980).

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

55695923220 is a wasteful number, since it uses less digits than its factorization.

55695923220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6979477 (or 6979475 counting only the distinct ones).

The product of its (nonzero) digits is 1458000, while the sum is 48.

The spelling of 55695923220 in words is "fifty-five billion, six hundred ninety-five million, nine hundred twenty-three thousand, two hundred twenty".