56556236 has 24 divisors (see below), whose sum is σ = 113655360. Its totient is φ = 24354000.

The previous prime is 56556233. The next prime is 56556259. The reversal of 56556236 is 63265565.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a self number, because there is not a number n which added to its sum of digits gives 56556236.

It is not an unprimeable number, because it can be changed into a prime (56556233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32990 + ... + 34661.

It is an arithmetic number, because the mean of its divisors is an integer number (4735640).

Almost surely, 2^56556236 is an apocalyptic number.

It is an amenable number.

56556236 is an abundant number, since it is smaller than the sum of its proper divisors (57099124).

56556236 is a wasteful number, since it uses less digits than its factorization.

56556236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67685 (or 67683 counting only the distinct ones).

The product of its digits is 162000, while the sum is 38.

The square root of 56556236 is about 7520.3880219042. The cubic root of 56556236 is about 383.8487812422.

The spelling of 56556236 in words is "fifty-six million, five hundred fifty-six thousand, two hundred thirty-six".