56983898 has 16 divisors (see below), whose sum is σ = 93626280. Its totient is φ = 25890816.

The previous prime is 56983879. The next prime is 56983909. The reversal of 56983898 is 89838965.

It can be written as a sum of positive squares in 4 ways, for example, as 56355049 + 628849 = 7507^2 + 793^2 .

It is an alternating number because its digits alternate between odd and even.

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, 27911 + ... + 29882.

Almost surely, 2^56983898 is an apocalyptic number.

56983898 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

56983898 is a deficient number, since it is larger than the sum of its proper divisors (36642382).

56983898 is a wasteful number, since it uses less digits than its factorization.

56983898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57841.

The product of its digits is 3732480, while the sum is 56.

The square root of 56983898 is about 7548.7679789486. The cubic root of 56983898 is about 384.8138707877.

The spelling of 56983898 in words is "fifty-six million, nine hundred eighty-three thousand, eight hundred ninety-eight".