55665615068 has 96 divisors (see below), whose sum is σ = 113517936000. Its totient is φ = 23394779136.

The previous prime is 55665615067. The next prime is 55665615143. The reversal of 55665615068 is 86051656655.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55665615067) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 206935238 + ... + 206935506.

It is an arithmetic number, because the mean of its divisors is an integer number (1182478500).

Almost surely, 2^55665615068 is an apocalyptic number.

It is an amenable number.

55665615068 is an abundant number, since it is smaller than the sum of its proper divisors (57852320932).

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

55665615068 is a wasteful number, since it uses less digits than its factorization.

55665615068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 879 (or 877 counting only the distinct ones).

The product of its (nonzero) digits is 6480000, while the sum is 53.

The spelling of 55665615068 in words is "fifty-five billion, six hundred sixty-five million, six hundred fifteen thousand, sixty-eight".