55908720764 has 48 divisors (see below), whose sum is σ = 105833141568. Its totient is φ = 25689996288.

The previous prime is 55908720733. The next prime is 55908720793. The reversal of 55908720764 is 46702780955.

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, 12239609 + ... + 12244175.

It is an arithmetic number, because the mean of its divisors is an integer number (2204857116).

Almost surely, 2^55908720764 is an apocalyptic number.

It is an amenable number.

55908720764 is a deficient number, since it is larger than the sum of its proper divisors (49924420804).

55908720764 is a wasteful number, since it uses less digits than its factorization.

55908720764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5574 (or 5572 counting only the distinct ones).

The product of its (nonzero) digits is 4233600, while the sum is 53.

The spelling of 55908720764 in words is "fifty-five billion, nine hundred eight million, seven hundred twenty thousand, seven hundred sixty-four".