56683899 has 12 divisors (see below), whose sum is σ = 86693256. Its totient is φ = 35566272.

The previous prime is 56683883. The next prime is 56683909. The reversal of 56683899 is 99838665.

It is not a de Polignac number, because 56683899 - 2⁴ = 56683883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56683819) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 185089 + ... + 185394.

It is an arithmetic number, because the mean of its divisors is an integer number (7224438).

Almost surely, 2^56683899 is an apocalyptic number.

56683899 is a deficient number, since it is larger than the sum of its proper divisors (30009357).

56683899 is a wasteful number, since it uses less digits than its factorization.

56683899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370506 (or 370503 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 54.

The square root of 56683899 is about 7528.8710309050. The cubic root of 56683899 is about 384.1373816706.

The spelling of 56683899 in words is "fifty-six million, six hundred eighty-three thousand, eight hundred ninety-nine".