56116664 has 8 divisors (see below), whose sum is σ = 105218760. Its totient is φ = 28058328.

The previous prime is 56116661. The next prime is 56116673. The reversal of 56116664 is 46661165.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56116661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3507284 + ... + 3507299.

It is an arithmetic number, because the mean of its divisors is an integer number (13152345).

Almost surely, 2^56116664 is an apocalyptic number.

It is an amenable number.

56116664 is a deficient number, since it is larger than the sum of its proper divisors (49102096).

56116664 is a wasteful number, since it uses less digits than its factorization.

56116664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7014589 (or 7014585 counting only the distinct ones).

The product of its digits is 25920, while the sum is 35.

The square root of 56116664 is about 7491.1056593803. The cubic root of 56116664 is about 382.8517310865.

The spelling of 56116664 in words is "fifty-six million, one hundred sixteen thousand, six hundred sixty-four".