56268438 has 16 divisors (see below), whose sum is σ = 112656576. Its totient is φ = 18736200.

The previous prime is 56268437. The next prime is 56268469. The reversal of 56268438 is 83486265.

It is a super-2 number, since 2×56268438² = 6332274229919688, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 56268438.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56268437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1845 + ... + 10767.

It is an arithmetic number, because the mean of its divisors is an integer number (7041036).

Almost surely, 2^56268438 is an apocalyptic number.

56268438 is an abundant number, since it is smaller than the sum of its proper divisors (56388138).

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

56268438 is a wasteful number, since it uses less digits than its factorization.

56268438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9979.

The product of its digits is 276480, while the sum is 42.

The square root of 56268438 is about 7501.2290992877. The cubic root of 56268438 is about 383.1965759592.

The spelling of 56268438 in words is "fifty-six million, two hundred sixty-eight thousand, four hundred thirty-eight".