56999998 has 8 divisors (see below), whose sum is σ = 93272760. Its totient is φ = 25909080.

The previous prime is 56999989. The next prime is 57000011. The reversal of 56999998 is 89999965.

56999998 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1295433 + ... + 1295476.

It is an arithmetic number, because the mean of its divisors is an integer number (11659095).

Almost surely, 2^56999998 is an apocalyptic number.

56999998 is a deficient number, since it is larger than the sum of its proper divisors (36272762).

56999998 is a wasteful number, since it uses less digits than its factorization.

56999998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2590922.

The product of its digits is 14171760, while the sum is 64.

The square root of 56999998 is about 7549.8343028175. The cubic root of 56999998 is about 384.8501086265.

The spelling of 56999998 in words is "fifty-six million, nine hundred ninety-nine thousand, nine hundred ninety-eight".