56396404 has 6 divisors (see below), whose sum is σ = 98693714. Its totient is φ = 28198200.

The previous prime is 56396393. The next prime is 56396411. The reversal of 56396404 is 40469365.

It is a happy number.

56396404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 56220004 + 176400 = 7498^2 + 420^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7049547 + ... + 7049554.

Almost surely, 2^56396404 is an apocalyptic number.

It is an amenable number.

56396404 is a deficient number, since it is larger than the sum of its proper divisors (42297310).

56396404 is a wasteful number, since it uses less digits than its factorization.

56396404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14099105 (or 14099103 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 37.

The square root of 56396404 is about 7509.7539240644. The cubic root of 56396404 is about 383.4868452998.

The spelling of 56396404 in words is "fifty-six million, three hundred ninety-six thousand, four hundred four".