56558612 has 24 divisors (see below), whose sum is σ = 108712800. Its totient is φ = 25532960.

The previous prime is 56558599. The next prime is 56558617. The reversal of 56558612 is 21685565.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56558617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2243 + ... + 10869.

It is an arithmetic number, because the mean of its divisors is an integer number (4529700).

Almost surely, 2^56558612 is an apocalyptic number.

It is an amenable number.

56558612 is a deficient number, since it is larger than the sum of its proper divisors (52154188).

56558612 is a wasteful number, since it uses less digits than its factorization.

56558612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8791 (or 8789 counting only the distinct ones).

The product of its digits is 72000, while the sum is 38.

The square root of 56558612 is about 7520.5459908174. The cubic root of 56558612 is about 383.8541564934.

The spelling of 56558612 in words is "fifty-six million, five hundred fifty-eight thousand, six hundred twelve".