56159970 has 32 divisors (see below), whose sum is σ = 134991360. Its totient is φ = 14952960.

The previous prime is 56159927. The next prime is 56159977. The reversal of 56159970 is 7995165.

It is not an unprimeable number, because it can be changed into a prime (56159977) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28786 + ... + 30674.

It is an arithmetic number, because the mean of its divisors is an integer number (4218480).

Almost surely, 2^56159970 is an apocalyptic number.

56159970 is an abundant number, since it is smaller than the sum of its proper divisors (78831390).

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

56159970 is a wasteful number, since it uses less digits than its factorization.

56159970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2890.

The product of its (nonzero) digits is 85050, while the sum is 42.

The square root of 56159970 is about 7493.9955964759. The cubic root of 56159970 is about 382.9501897424.

The spelling of 56159970 in words is "fifty-six million, one hundred fifty-nine thousand, nine hundred seventy".