56317170 has 128 divisors (see below), whose sum is σ = 170150400. Its totient is φ = 11854080.

The previous prime is 56317169. The next prime is 56317187. The reversal of 56317170 is 7171365.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 133560 + ... + 133980.

It is an arithmetic number, because the mean of its divisors is an integer number (1329300).

Almost surely, 2^56317170 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56317170, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85075200).

56317170 is an abundant number, since it is smaller than the sum of its proper divisors (113833230).

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

56317170 is a wasteful number, since it uses less digits than its factorization.

56317170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465 (or 451 counting only the distinct ones).

The product of its (nonzero) digits is 4410, while the sum is 30.

The square root of 56317170 is about 7504.4766639653. The cubic root of 56317170 is about 383.3071681364.

The spelling of 56317170 in words is "fifty-six million, three hundred seventeen thousand, one hundred seventy".