56317758 has 48 divisors (see below), whose sum is σ = 131765760. Its totient is φ = 15999984.

The previous prime is 56317733. The next prime is 56317759. The reversal of 56317758 is 85771365.

It is a super-2 number, since 2×56317758² = 6343379732293128, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56317759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 65133 + ... + 65991.

It is an arithmetic number, because the mean of its divisors is an integer number (2745120).

Almost surely, 2^56317758 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56317758, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65882880).

56317758 is an abundant number, since it is smaller than the sum of its proper divisors (75448002).

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

56317758 is a wasteful number, since it uses less digits than its factorization.

56317758 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1101 (or 1094 counting only the distinct ones).

The product of its digits is 176400, while the sum is 42.

The square root of 56317758 is about 7504.5158404790. The cubic root of 56317758 is about 383.3085021513.

It can be divided in two parts, 56317 and 758, that added together give a palindrome (57075).

The spelling of 56317758 in words is "fifty-six million, three hundred seventeen thousand, seven hundred fifty-eight".