56566601 has 8 divisors (see below), whose sum is σ = 69620544. Its totient is φ = 44755920.

The previous prime is 56566597. The next prime is 56566603. The reversal of 56566601 is 10666565.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 56566601 - 2² = 56566597 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (56566603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 310715 + ... + 310896.

It is an arithmetic number, because the mean of its divisors is an integer number (8702568).

Almost surely, 2^56566601 is an apocalyptic number.

It is an amenable number.

56566601 is a deficient number, since it is larger than the sum of its proper divisors (13053943).

56566601 is a wasteful number, since it uses less digits than its factorization.

56566601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621631.

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 56566601 is about 7521.0771170092. The cubic root of 56566601 is about 383.8722289930.

The spelling of 56566601 in words is "fifty-six million, five hundred sixty-six thousand, six hundred one".