55402791268 has 18 divisors (see below), whose sum is σ = 106570246118. Its totient is φ = 25183086720.

The previous prime is 55402791251. The next prime is 55402791281. The reversal of 55402791268 is 86219720455.

It can be written as a sum of positive squares in only one way, i.e., 54341204544 + 1061586724 = 233112^2 + 32582^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 57233805 + ... + 57234772.

Almost surely, 2^55402791268 is an apocalyptic number.

It is an amenable number.

55402791268 is a deficient number, since it is larger than the sum of its proper divisors (51167454850).

55402791268 is a wasteful number, since it uses less digits than its factorization.

55402791268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114468603 (or 114468590 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 49.

The spelling of 55402791268 in words is "fifty-five billion, four hundred two million, seven hundred ninety-one thousand, two hundred sixty-eight".