56646998 has 4 divisors (see below), whose sum is σ = 84970500. Its totient is φ = 28323498.

The previous prime is 56646991. The next prime is 56647001. The reversal of 56646998 is 89964665.

56646998 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56646991) by changing a digit.

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 as a sum of consecutive naturals, namely, 14161748 + ... + 14161751.

It is an arithmetic number, because the mean of its divisors is an integer number (21242625).

Almost surely, 2^56646998 is an apocalyptic number.

56646998 is a deficient number, since it is larger than the sum of its proper divisors (28323502).

56646998 is a wasteful number, since it uses less digits than its factorization.

56646998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28323501.

The product of its digits is 2799360, while the sum is 53.

The square root of 56646998 is about 7526.4199989105. The cubic root of 56646998 is about 384.0540062569.

The spelling of 56646998 in words is "fifty-six million, six hundred forty-six thousand, nine hundred ninety-eight".