55317168 has 50 divisors (see below), whose sum is σ = 160107684. Its totient is φ = 18438624.

The previous prime is 55317131. The next prime is 55317211. The reversal of 55317168 is 86171355.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 20046 + ... + 22637.

Almost surely, 2^55317168 is an apocalyptic number.

It is an amenable number.

55317168 is an abundant number, since it is smaller than the sum of its proper divisors (104790516).

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

55317168 is a wasteful number, since it uses less digits than its factorization.

55317168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42703 (or 42688 counting only the distinct ones).

The product of its digits is 25200, while the sum is 36.

The square root of 55317168 is about 7437.5512099077. The cubic root of 55317168 is about 381.0248604275.

The spelling of 55317168 in words is "fifty-five million, three hundred seventeen thousand, one hundred sixty-eight".