55317391176 has 16 divisors (see below), whose sum is σ = 138293478000. Its totient is φ = 18439130384.

The previous prime is 55317391117. The next prime is 55317391193. The reversal of 55317391176 is 67119371355.

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, 1152445626 + ... + 1152445673.

It is an arithmetic number, because the mean of its divisors is an integer number (8643342375).

Almost surely, 2^55317391176 is an apocalyptic number.

It is an amenable number.

55317391176 is an abundant number, since it is smaller than the sum of its proper divisors (82976086824).

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

55317391176 is a wasteful number, since it uses less digits than its factorization.

55317391176 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2304891308 (or 2304891304 counting only the distinct ones).

The product of its digits is 595350, while the sum is 48.

The spelling of 55317391176 in words is "fifty-five billion, three hundred seventeen million, three hundred ninety-one thousand, one hundred seventy-six".