56545370 has 32 divisors (see below), whose sum is σ = 116581248. Its totient is φ = 19343808.

The previous prime is 56545337. The next prime is 56545373. The reversal of 56545370 is 7354565.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 56545370.

It is not an unprimeable number, because it can be changed into a prime (56545373) 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, 59237 + ... + 60183.

It is an arithmetic number, because the mean of its divisors is an integer number (3643164).

Almost surely, 2^56545370 is an apocalyptic number.

56545370 is an abundant number, since it is smaller than the sum of its proper divisors (60035878).

56545370 is a wasteful number, since it uses less digits than its factorization.

56545370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1814.

The product of its (nonzero) digits is 63000, while the sum is 35.

The square root of 56545370 is about 7519.6655510734. The cubic root of 56545370 is about 383.8241970507.

The spelling of 56545370 in words is "fifty-six million, five hundred forty-five thousand, three hundred seventy".