56016940 has 48 divisors (see below), whose sum is σ = 141523200. Its totient is φ = 18194112.

The previous prime is 56016929. The next prime is 56016967. The reversal of 56016940 is 4961065.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7870 + ... + 13189.

It is an arithmetic number, because the mean of its divisors is an integer number (2948400).

Almost surely, 2^56016940 is an apocalyptic number.

It is an amenable number.

56016940 is an abundant number, since it is smaller than the sum of its proper divisors (85506260).

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

56016940 is a wasteful number, since it uses less digits than its factorization.

56016940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21094 (or 21092 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 56016940 is about 7484.4465393241. The cubic root of 56016940 is about 382.6248101108.

It can be divided in two parts, 560 and 16940, that multiplied together give a square (9486400 = 3080²).

The spelling of 56016940 in words is "fifty-six million, sixteen thousand, nine hundred forty".