56516562 has 32 divisors (see below), whose sum is σ = 125884800. Its totient is φ = 18795024.

The previous prime is 56516549. The next prime is 56516591. The reversal of 56516562 is 26561565.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 29139 + ... + 31017.

It is an arithmetic number, because the mean of its divisors is an integer number (3933900).

Almost surely, 2^56516562 is an apocalyptic number.

56516562 is an abundant number, since it is smaller than the sum of its proper divisors (69368238).

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

56516562 is a wasteful number, since it uses less digits than its factorization.

56516562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2447 (or 2441 counting only the distinct ones).

The product of its digits is 54000, while the sum is 36.

The square root of 56516562 is about 7517.7497963154. The cubic root of 56516562 is about 383.7590040576.

The spelling of 56516562 in words is "fifty-six million, five hundred sixteen thousand, five hundred sixty-two".