56581374 has 16 divisors (see below), whose sum is σ = 113249808. Its totient is φ = 18845952.

The previous prime is 56581333. The next prime is 56581379. The reversal of 56581374 is 47318565.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56581379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7404 + ... + 12960.

It is an arithmetic number, because the mean of its divisors is an integer number (7078113).

Almost surely, 2^56581374 is an apocalyptic number.

56581374 is an abundant number, since it is smaller than the sum of its proper divisors (56668434).

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

56581374 is a wasteful number, since it uses less digits than its factorization.

56581374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7259.

The product of its digits is 100800, while the sum is 39.

The square root of 56581374 is about 7522.0591595653. The cubic root of 56581374 is about 383.9056435918.

The spelling of 56581374 in words is "fifty-six million, five hundred eighty-one thousand, three hundred seventy-four".