56304939 has 8 divisors (see below), whose sum is σ = 76345920. Its totient is φ = 36900296.

The previous prime is 56304929. The next prime is 56304947. The reversal of 56304939 is 93940365.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 56304939 - 2⁵ = 56304907 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56304897 and 56304906.

It is not an unprimeable number, because it can be changed into a prime (56304929) 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, 158877 + ... + 159230.

It is an arithmetic number, because the mean of its divisors is an integer number (9543240).

Almost surely, 2^56304939 is an apocalyptic number.

56304939 is a gapful number since it is divisible by the number (59) formed by its first and last digit.

56304939 is a deficient number, since it is larger than the sum of its proper divisors (20040981).

56304939 is a wasteful number, since it uses less digits than its factorization.

56304939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318169.

The product of its (nonzero) digits is 87480, while the sum is 39.

The square root of 56304939 is about 7503.6617061272. The cubic root of 56304939 is about 383.2794171597.

The spelling of 56304939 in words is "fifty-six million, three hundred four thousand, nine hundred thirty-nine".