56613998 has 16 divisors (see below), whose sum is σ = 100184064. Its totient is φ = 23480280.

The previous prime is 56613979. The next prime is 56614013. The reversal of 56613998 is 89931665.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64790 + ... + 65657.

It is an arithmetic number, because the mean of its divisors is an integer number (6261504).

Almost surely, 2^56613998 is an apocalyptic number.

56613998 is a deficient number, since it is larger than the sum of its proper divisors (43570066).

56613998 is a wasteful number, since it uses less digits than its factorization.

56613998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130487.

The product of its digits is 349920, while the sum is 47.

The square root of 56613998 is about 7524.2274021988. The cubic root of 56613998 is about 383.9794142249.

The spelling of 56613998 in words is "fifty-six million, six hundred thirteen thousand, nine hundred ninety-eight".