56399168 has 84 divisors (see below), whose sum is σ = 133173216. Its totient is φ = 23212800.

The previous prime is 56399159. The next prime is 56399173. The reversal of 56399168 is 86199365.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 430463 + ... + 430593.

Almost surely, 2^56399168 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56399168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66586608).

56399168 is an abundant number, since it is smaller than the sum of its proper divisors (76774048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56399168 is a wasteful number, since it uses less digits than its factorization.

56399168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212 (or 171 counting only the distinct ones).

The product of its digits is 349920, while the sum is 47.

The square root of 56399168 is about 7509.9379491445. The cubic root of 56399168 is about 383.4931101219.

The spelling of 56399168 in words is "fifty-six million, three hundred ninety-nine thousand, one hundred sixty-eight".