56745258 has 16 divisors (see below), whose sum is σ = 113655360. Its totient is φ = 18887616.

The previous prime is 56745239. The next prime is 56745287. The reversal of 56745258 is 85254765.

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2143 + ... + 10866.

It is an arithmetic number, because the mean of its divisors is an integer number (7103460).

Almost surely, 2^56745258 is an apocalyptic number.

56745258 is an abundant number, since it is smaller than the sum of its proper divisors (56910102).

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

56745258 is a wasteful number, since it uses less digits than its factorization.

56745258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13741.

The product of its digits is 336000, while the sum is 42.

The square root of 56745258 is about 7532.9448424902. The cubic root of 56745258 is about 384.2759382765.

It can be divided in two parts, 5674 and 5258, that multiplied together give a palindrome (29833892).

The spelling of 56745258 in words is "fifty-six million, seven hundred forty-five thousand, two hundred fifty-eight".