55317995692 has 12 divisors (see below), whose sum is σ = 96821275320. Its totient is φ = 27654774176.

The previous prime is 55317995641. The next prime is 55317995713. The reversal of 55317995692 is 29659971355.

It is a self number, because there is not a number n which added to its sum of digits gives 55317995692.

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, 1026358 + ... + 1078909.

It is an arithmetic number, because the mean of its divisors is an integer number (8068439610).

Almost surely, 2^55317995692 is an apocalyptic number.

It is an amenable number.

55317995692 is a deficient number, since it is larger than the sum of its proper divisors (41503279628).

55317995692 is a wasteful number, since it uses less digits than its factorization.

55317995692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2111840 (or 2111838 counting only the distinct ones).

The product of its digits is 22963500, while the sum is 61.

The spelling of 55317995692 in words is "fifty-five billion, three hundred seventeen million, nine hundred ninety-five thousand, six hundred ninety-two".