56116616 has 8 divisors (see below), whose sum is σ = 105218670. Its totient is φ = 28058304.

The previous prime is 56116597. The next prime is 56116639. The reversal of 56116616 is 61661165.

It can be written as a sum of positive squares in only one way, i.e., 34456900 + 21659716 = 5870^2 + 4654^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3507281 + ... + 3507296.

Almost surely, 2^56116616 is an apocalyptic number.

It is an amenable number.

56116616 is a deficient number, since it is larger than the sum of its proper divisors (49102054).

56116616 is a wasteful number, since it uses less digits than its factorization.

56116616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7014583 (or 7014579 counting only the distinct ones).

The product of its digits is 6480, while the sum is 32.

The square root of 56116616 is about 7491.1024555802. The cubic root of 56116616 is about 382.8516219276.

The spelling of 56116616 in words is "fifty-six million, one hundred sixteen thousand, six hundred sixteen".