55712472916 has 12 divisors (see below), whose sum is σ = 97958899360. Its totient is φ = 27724215960.

The previous prime is 55712472911. The next prime is 55712472931. The reversal of 55712472916 is 61927421755.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 55712472916.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55712472911) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33004176 + ... + 33005863.

Almost surely, 2^55712472916 is an apocalyptic number.

It is an amenable number.

55712472916 is a deficient number, since it is larger than the sum of its proper divisors (42246426444).

55712472916 is a wasteful number, since it uses less digits than its factorization.

55712472916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66010254 (or 66010252 counting only the distinct ones).

The product of its digits is 1058400, while the sum is 49.

The spelling of 55712472916 in words is "fifty-five billion, seven hundred twelve million, four hundred seventy-two thousand, nine hundred sixteen".