56383618 has 8 divisors (see below), whose sum is σ = 84641148. Its totient is φ = 28169904.

The previous prime is 56383609. The next prime is 56383619. The reversal of 56383618 is 81638365.

It can be written as a sum of positive squares in 2 ways, for example, as 46416969 + 9966649 = 6813^2 + 3157^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×56383618² = 6358224757539848, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (56383619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7521 + ... + 13012.

Almost surely, 2^56383618 is an apocalyptic number.

56383618 is a deficient number, since it is larger than the sum of its proper divisors (28257530).

56383618 is a wasteful number, since it uses less digits than its factorization.

56383618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21908.

The product of its digits is 103680, while the sum is 40.

The square root of 56383618 is about 7508.9025829345. The cubic root of 56383618 is about 383.4578621670.

The spelling of 56383618 in words is "fifty-six million, three hundred eighty-three thousand, six hundred eighteen".