56042408 has 32 divisors (see below), whose sum is σ = 109446120. Its totient is φ = 26880000.

The previous prime is 56042401. The next prime is 56042417. The reversal of 56042408 is 80424065.

56042408 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 4 ways, for example, as 17825284 + 38217124 = 4222^2 + 6182^2 .

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (56042401) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 18608 + ... + 21408.

Almost surely, 2^56042408 is an apocalyptic number.

It is an amenable number.

56042408 is a deficient number, since it is larger than the sum of its proper divisors (53403712).

56042408 is a wasteful number, since it uses less digits than its factorization.

56042408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2909 (or 2905 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 56042408 is about 7486.1477409947. The cubic root of 56042408 is about 382.6827878834.

The spelling of 56042408 in words is "fifty-six million, forty-two thousand, four hundred eight".