56187760 has 20 divisors (see below), whose sum is σ = 130636728. Its totient is φ = 22475072.

The previous prime is 56187757. The next prime is 56187797. The reversal of 56187760 is 6778165.

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

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, 351094 + ... + 351253.

Almost surely, 2^56187760 is an apocalyptic number.

It is an amenable number.

56187760 is an abundant number, since it is smaller than the sum of its proper divisors (74448968).

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

56187760 is a wasteful number, since it uses less digits than its factorization.

56187760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 702360 (or 702354 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 40.

The square root of 56187760 is about 7495.8495182334. The cubic root of 56187760 is about 383.0133452301.

The spelling of 56187760 in words is "fifty-six million, one hundred eighty-seven thousand, seven hundred sixty".