56304919 has 8 divisors (see below), whose sum is σ = 62731008. Its totient is φ = 50096760.

The previous prime is 56304907. The next prime is 56304929. The reversal of 56304919 is 91940365.

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 56304919 - 2⁵ = 56304887 is a prime.

It is a super-2 number, since 2×56304919² = 6340487807193122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

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, 53937 + ... + 54970.

It is an arithmetic number, because the mean of its divisors is an integer number (7841376).

Almost surely, 2^56304919 is an apocalyptic number.

56304919 is a deficient number, since it is larger than the sum of its proper divisors (6426089).

56304919 is a wasteful number, since it uses less digits than its factorization.

56304919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108965.

The product of its (nonzero) digits is 29160, while the sum is 37.

The square root of 56304919 is about 7503.6603734444. The cubic root of 56304919 is about 383.2793717783.

The spelling of 56304919 in words is "fifty-six million, three hundred four thousand, nine hundred nineteen".