56540376 has 32 divisors (see below), whose sum is σ = 157057200. Its totient is φ = 18846720.

The previous prime is 56540339. The next prime is 56540377. The reversal of 56540376 is 67304565.

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

It is a self number, because there is not a number n which added to its sum of digits gives 56540376.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56540377) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130665 + ... + 131096.

Almost surely, 2^56540376 is an apocalyptic number.

It is an amenable number.

56540376 is an abundant number, since it is smaller than the sum of its proper divisors (100516824).

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

56540376 is a wasteful number, since it uses less digits than its factorization.

56540376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261776 (or 261766 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 36.

The square root of 56540376 is about 7519.3334811006. Note that the first 3 decimals coincide. The cubic root of 56540376 is about 383.8128971307.

The spelling of 56540376 in words is "fifty-six million, five hundred forty thousand, three hundred seventy-six".