56040016 has 20 divisors (see below), whose sum is σ = 110109024. Its totient is φ = 27624800.

The previous prime is 56040011. The next prime is 56040053. The reversal of 56040016 is 61004065.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56040011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23530 + ... + 25801.

Almost surely, 2^56040016 is an apocalyptic number.

It is an amenable number.

56040016 is a deficient number, since it is larger than the sum of its proper divisors (54069008).

56040016 is a wasteful number, since it uses less digits than its factorization.

56040016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49410 (or 49404 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 56040016 is about 7485.9879775485. The cubic root of 56040016 is about 382.6773432550.

The spelling of 56040016 in words is "fifty-six million, forty thousand, sixteen".