56516604 has 12 divisors (see below), whose sum is σ = 131872104. Its totient is φ = 18838864.

The previous prime is 56516591. The next prime is 56516657. The reversal of 56516604 is 40661565.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2354847 + ... + 2354870.

It is an arithmetic number, because the mean of its divisors is an integer number (10989342).

Almost surely, 2^56516604 is an apocalyptic number.

It is an amenable number.

56516604 is an abundant number, since it is smaller than the sum of its proper divisors (75355500).

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

56516604 is a wasteful number, since it uses less digits than its factorization.

56516604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4709724 (or 4709722 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 56516604 is about 7517.7525897039. The cubic root of 56516604 is about 383.7590991204.

The spelling of 56516604 in words is "fifty-six million, five hundred sixteen thousand, six hundred four".