56520356 has 12 divisors (see below), whose sum is σ = 99142092. Its totient is φ = 28194048.

The previous prime is 56520341. The next prime is 56520371. The reversal of 56520356 is 65302565.

It is an interprime number because it is at equal distance from previous prime (56520341) and next prime (56520371).

It can be written as a sum of positive squares in 2 ways, for example, as 21473956 + 35046400 = 4634^2 + 5920^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14585 + ... + 18048.

It is an arithmetic number, because the mean of its divisors is an integer number (8261841).

Almost surely, 2^56520356 is an apocalyptic number.

It is an amenable number.

56520356 is a deficient number, since it is larger than the sum of its proper divisors (42621736).

56520356 is a wasteful number, since it uses less digits than its factorization.

56520356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33070 (or 33068 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 32.

The square root of 56520356 is about 7518.0021282253. The cubic root of 56520356 is about 383.7675912105.

Subtracting from 56520356 its sum of digits (32), we obtain a square (56520324 = 7518²).

The spelling of 56520356 in words is "fifty-six million, five hundred twenty thousand, three hundred fifty-six".