56904424 has 8 divisors (see below), whose sum is σ = 106695810. Its totient is φ = 28452208.

The previous prime is 56904413. The next prime is 56904443. The reversal of 56904424 is 42440965.

It can be written as a sum of positive squares in only one way, i.e., 53728900 + 3175524 = 7330^2 + 1782^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×56904424² = 6476226941543552, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 56904424.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3556519 + ... + 3556534.

Almost surely, 2^56904424 is an apocalyptic number.

It is an amenable number.

56904424 is a deficient number, since it is larger than the sum of its proper divisors (49791386).

56904424 is a wasteful number, since it uses less digits than its factorization.

56904424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7113059 (or 7113055 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 56904424 is about 7543.5021044605. The cubic root of 56904424 is about 384.6348908343.

The spelling of 56904424 in words is "fifty-six million, nine hundred four thousand, four hundred twenty-four".