55126388768 has 48 divisors (see below), whose sum is σ = 119300338080. Its totient is φ = 24866150400.

The previous prime is 55126388749. The next prime is 55126388773. The reversal of 55126388768 is 86788362155.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 551633 + ... + 643856.

It is an arithmetic number, because the mean of its divisors is an integer number (2485423710).

Almost surely, 2^55126388768 is an apocalyptic number.

It is an amenable number.

55126388768 is an abundant number, since it is smaller than the sum of its proper divisors (64173949312).

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

55126388768 is a wasteful number, since it uses less digits than its factorization.

55126388768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1195641 (or 1195633 counting only the distinct ones).

The product of its digits is 19353600, while the sum is 59.

The spelling of 55126388768 in words is "fifty-five billion, one hundred twenty-six million, three hundred eighty-eight thousand, seven hundred sixty-eight".