56984678 has 16 divisors (see below), whose sum is σ = 87244560. Its totient is φ = 27906816.

The previous prime is 56984677. The next prime is 56984693. The reversal of 56984678 is 87648965.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56984677) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39050 + ... + 40482.

It is an arithmetic number, because the mean of its divisors is an integer number (5452785).

Almost surely, 2^56984678 is an apocalyptic number.

56984678 is a deficient number, since it is larger than the sum of its proper divisors (30259882).

56984678 is a wasteful number, since it uses less digits than its factorization.

56984678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1831.

The product of its digits is 2903040, while the sum is 53.

The square root of 56984678 is about 7548.8196428316. The cubic root of 56984678 is about 384.8156265670.

The spelling of 56984678 in words is "fifty-six million, nine hundred eighty-four thousand, six hundred seventy-eight".