56135404 has 12 divisors (see below), whose sum is σ = 105793744. Its totient is φ = 25908624.

The previous prime is 56135399. The next prime is 56135441. The reversal of 56135404 is 40453165.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 539712 + ... + 539815.

Almost surely, 2^56135404 is an apocalyptic number.

It is an amenable number.

56135404 is a deficient number, since it is larger than the sum of its proper divisors (49658340).

56135404 is a wasteful number, since it uses less digits than its factorization.

56135404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1079544 (or 1079542 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 56135404 is about 7492.3563716631. The cubic root of 56135404 is about 382.8943437581.

Adding to 56135404 its reverse (40453165), we get a palindrome (96588569).

It can be divided in two parts, 56 and 135404, that added together give a triangular number (135460 = T₅₂₀).

The spelling of 56135404 in words is "fifty-six million, one hundred thirty-five thousand, four hundred four".