56445896 has 32 divisors (see below), whose sum is σ = 114736440. Its totient is φ = 25878528.

The previous prime is 56445871. The next prime is 56445937. The reversal of 56445896 is 69854465.

It can be written as a sum of positive squares in 4 ways, for example, as 15100996 + 41344900 = 3886^2 + 6430^2 .

It is a super-2 number, since 2×56445896² = 6372278350485632, 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 56445896.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14600 + ... + 18056.

Almost surely, 2^56445896 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 56445896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57368220).

56445896 is an abundant number, since it is smaller than the sum of its proper divisors (58290544).

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

56445896 is a wasteful number, since it uses less digits than its factorization.

56445896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3633 (or 3629 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 47.

The square root of 56445896 is about 7513.0483826474. The cubic root of 56445896 is about 383.5989918217.

The spelling of 56445896 in words is "fifty-six million, four hundred forty-five thousand, eight hundred ninety-six".