55616612712 has 16 divisors (see below), whose sum is σ = 139041531840. Its totient is φ = 18538870896.

The previous prime is 55616612657. The next prime is 55616612741. The reversal of 55616612712 is 21721661655.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1158679408 + ... + 1158679455.

It is an arithmetic number, because the mean of its divisors is an integer number (8690095740).

Almost surely, 2^55616612712 is an apocalyptic number.

It is an amenable number.

55616612712 is an abundant number, since it is smaller than the sum of its proper divisors (83424919128).

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

55616612712 is a wasteful number, since it uses less digits than its factorization.

55616612712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2317358872 (or 2317358868 counting only the distinct ones).

The product of its digits is 151200, while the sum is 42.

The spelling of 55616612712 in words is "fifty-five billion, six hundred sixteen million, six hundred twelve thousand, seven hundred twelve".