56516 has 12 divisors (see below), whose sum is σ = 100800. Its totient is φ = 27720.

The previous prime is 56509. The next prime is 56519. The reversal of 56516 is 61565.

56516 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 56491 and 56500.

It is not an unprimeable number, because it can be changed into a prime (56519) 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, 185 + ... + 383.

It is an arithmetic number, because the mean of its divisors is an integer number (8400).

2⁵⁶⁵¹⁶ is an apocalyptic number.

It is an amenable number.

56516 is a deficient number, since it is larger than the sum of its proper divisors (44284).

56516 is a wasteful number, since it uses less digits than its factorization.

56516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274 (or 272 counting only the distinct ones).

The product of its digits is 900, while the sum is 23.

The square root of 56516 is about 237.7309403506. The cubic root of 56516 is about 38.3757732022.

The spelling of 56516 in words is "fifty-six thousand, five hundred sixteen".