56917296 has 80 divisors (see below), whose sum is σ = 164275200. Its totient is φ = 18868032.

The previous prime is 56917291. The next prime is 56917319. The reversal of 56917296 is 69271965.

It is a happy number.

56917296 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56917291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154905 + ... + 155271.

It is an arithmetic number, because the mean of its divisors is an integer number (2053440).

Almost surely, 2^56917296 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 56917296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82137600).

56917296 is an abundant number, since it is smaller than the sum of its proper divisors (107357904).

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

56917296 is a wasteful number, since it uses less digits than its factorization.

56917296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 743 (or 731 counting only the distinct ones).

The product of its digits is 204120, while the sum is 45.

The square root of 56917296 is about 7544.3552408407. The cubic root of 56917296 is about 384.6638906126.

The spelling of 56917296 in words is "fifty-six million, nine hundred seventeen thousand, two hundred ninety-six".