56071880 has 32 divisors (see below), whose sum is σ = 128547000. Its totient is φ = 22004736.

The previous prime is 56071879. The next prime is 56071903. The reversal of 56071880 is 8817065.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 39212644 + 16859236 = 6262^2 + 4106^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 56071880.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11105 + ... + 15344.

Almost surely, 2^56071880 is an apocalyptic number.

It is an amenable number.

56071880 is an abundant number, since it is smaller than the sum of its proper divisors (72475120).

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

56071880 is a wasteful number, since it uses less digits than its factorization.

56071880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26513 (or 26509 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 35.

The square root of 56071880 is about 7488.1159179062. The cubic root of 56071880 is about 382.7498588215.

The spelling of 56071880 in words is "fifty-six million, seventy-one thousand, eight hundred eighty".