56315392 has 80 divisors (see below), whose sum is σ = 135527040. Its totient is φ = 22837248.

The previous prime is 56315381. The next prime is 56315393. The reversal of 56315392 is 29351365.

It is a happy number.

It is a super-2 number, since 2×56315392² = 6342846752227328, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56315393) 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 7 ways as a sum of consecutive naturals, for example, 67683 + ... + 68509.

It is an arithmetic number, because the mean of its divisors is an integer number (1694088).

Almost surely, 2^56315392 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56315392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67763520).

56315392 is an abundant number, since it is smaller than the sum of its proper divisors (79211648).

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

56315392 is an equidigital number, since it uses as much as digits as its factorization.

56315392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 871 (or 855 counting only the distinct ones).

The product of its digits is 24300, while the sum is 34.

The square root of 56315392 is about 7504.3582004059. The cubic root of 56315392 is about 383.3031342729.

The spelling of 56315392 in words is "fifty-six million, three hundred fifteen thousand, three hundred ninety-two".