56532996 has 72 divisors (see below), whose sum is σ = 155402520. Its totient is φ = 17224704.

The previous prime is 56532979. The next prime is 56533013. The reversal of 56532996 is 69923565.

It is an interprime number because it is at equal distance from previous prime (56532979) and next prime (56533013).

It can be written as a sum of positive squares in 4 ways, for example, as 1179396 + 55353600 = 1086^2 + 7440^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52350 + ... + 53418.

Almost surely, 2^56532996 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 56532996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77701260).

56532996 is an abundant number, since it is smaller than the sum of its proper divisors (98869524).

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

56532996 is a wasteful number, since it uses less digits than its factorization.

56532996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1205 (or 1200 counting only the distinct ones).

The product of its digits is 437400, while the sum is 45.

The square root of 56532996 is about 7518.8427301015. The cubic root of 56532996 is about 383.7961971921.

It can be divided in two parts, 5653 and 2996, that added together give a square (8649 = 93²).

The spelling of 56532996 in words is "fifty-six million, five hundred thirty-two thousand, nine hundred ninety-six".