56357224 has 64 divisors (see below), whose sum is σ = 132710400. Its totient is φ = 21796800.

The previous prime is 56357209. The next prime is 56357239. The reversal of 56357224 is 42275365.

It is an interprime number because it is at equal distance from previous prime (56357209) and next prime (56357239).

It is a super-2 number, since 2×56357224² = 6352273393972352, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 56357224.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117417 + ... + 117895.

It is an arithmetic number, because the mean of its divisors is an integer number (2073600).

Almost surely, 2^56357224 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 56357224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66355200).

56357224 is an abundant number, since it is smaller than the sum of its proper divisors (76353176).

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

56357224 is a wasteful number, since it uses less digits than its factorization.

56357224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 694 (or 690 counting only the distinct ones).

The product of its digits is 50400, while the sum is 34.

The square root of 56357224 is about 7507.1448633951. The cubic root of 56357224 is about 383.3980187417.

The spelling of 56357224 in words is "fifty-six million, three hundred fifty-seven thousand, two hundred twenty-four".