56323530 has 48 divisors (see below), whose sum is σ = 146824704. Its totient is φ = 14980320.

The previous prime is 56323523. The next prime is 56323537. The reversal of 56323530 is 3532365.

It is an interprime number because it is at equal distance from previous prime (56323523) and next prime (56323537).

It is a junction number, because it is equal to n+sod(n) for n = 56323494 and 56323503.

It is not an unprimeable number, because it can be changed into a prime (56323537) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54115 + ... + 55145.

It is an arithmetic number, because the mean of its divisors is an integer number (3058848).

Almost surely, 2^56323530 is an apocalyptic number.

56323530 is an abundant number, since it is smaller than the sum of its proper divisors (90501174).

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

56323530 is a wasteful number, since it uses less digits than its factorization.

56323530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1651 (or 1648 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 27.

The square root of 56323530 is about 7504.9003990726. The cubic root of 56323530 is about 383.3215967841.

Adding to 56323530 its reverse (3532365), we get a palindrome (59855895).

The spelling of 56323530 in words is "fifty-six million, three hundred twenty-three thousand, five hundred thirty".