56560218 has 32 divisors (see below), whose sum is σ = 132898752. Its totient is φ = 15820800.

The previous prime is 56560187. The next prime is 56560219. The reversal of 56560218 is 81206565.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (56560219) 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, 32103 + ... + 33818.

It is an arithmetic number, because the mean of its divisors is an integer number (4153086).

Almost surely, 2^56560218 is an apocalyptic number.

56560218 is an abundant number, since it is smaller than the sum of its proper divisors (76338534).

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

56560218 is a wasteful number, since it uses less digits than its factorization.

56560218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65950.

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 56560218 is about 7520.6527642220. The cubic root of 56560218 is about 383.8577896798.

The spelling of 56560218 in words is "fifty-six million, five hundred sixty thousand, two hundred eighteen".