56668758 has 16 divisors (see below), whose sum is σ = 114507120. Its totient is φ = 18694656.

The previous prime is 56668753. The next prime is 56668763. The reversal of 56668758 is 85786665.

It is an interprime number because it is at equal distance from previous prime (56668753) and next prime (56668763).

It is a super-2 number, since 2×56668758² = 6422696266525128, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 56668758.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56668751) 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, 48103 + ... + 49266.

It is an arithmetic number, because the mean of its divisors is an integer number (7156695).

Almost surely, 2^56668758 is an apocalyptic number.

56668758 is an abundant number, since it is smaller than the sum of its proper divisors (57838362).

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

56668758 is a wasteful number, since it uses less digits than its factorization.

56668758 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97471.

The product of its digits is 2419200, while the sum is 51.

The square root of 56668758 is about 7527.8654345040. The cubic root of 56668758 is about 384.1031759430.

The spelling of 56668758 in words is "fifty-six million, six hundred sixty-eight thousand, seven hundred fifty-eight".