56612318 has 16 divisors (see below), whose sum is σ = 98013024. Its totient is φ = 24021600.

The previous prime is 56612317. The next prime is 56612323. The reversal of 56612318 is 81321665.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56612317) 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, 18605 + ... + 21432.

It is an arithmetic number, because the mean of its divisors is an integer number (6125814).

Almost surely, 2^56612318 is an apocalyptic number.

56612318 is a deficient number, since it is larger than the sum of its proper divisors (41400706).

56612318 is a wasteful number, since it uses less digits than its factorization.

56612318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40147.

The product of its digits is 8640, while the sum is 32.

The square root of 56612318 is about 7524.1157620015. The cubic root of 56612318 is about 383.9756160370.

The spelling of 56612318 in words is "fifty-six million, six hundred twelve thousand, three hundred eighteen".