56032040 has 16 divisors (see below), whose sum is σ = 126072180. Its totient is φ = 22412800.

The previous prime is 56032027. The next prime is 56032063. The reversal of 56032040 is 4023065.

It can be written as a sum of positive squares in 2 ways, for example, as 55920484 + 111556 = 7478^2 + 334^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 700361 + ... + 700440.

Almost surely, 2^56032040 is an apocalyptic number.

It is an amenable number.

56032040 is an abundant number, since it is smaller than the sum of its proper divisors (70040140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56032040 is a wasteful number, since it uses less digits than its factorization.

56032040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1400812 (or 1400808 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 56032040 is about 7485.4552299777. The cubic root of 56032040 is about 382.6591873043.

The spelling of 56032040 in words is "fifty-six million, thirty-two thousand, forty", and thus it is an eban number.