56516001 has 8 divisors (see below), whose sum is σ = 75420000. Its totient is φ = 37644672.

The previous prime is 56515993. The next prime is 56516003. The reversal of 56516001 is 10061565.

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

It is not a de Polignac number, because 56516001 - 2³ = 56515993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56516003) 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, 3795 + ... + 11288.

It is an arithmetic number, because the mean of its divisors is an integer number (9427500).

Almost surely, 2^56516001 is an apocalyptic number.

It is an amenable number.

56516001 is a deficient number, since it is larger than the sum of its proper divisors (18903999).

56516001 is a wasteful number, since it uses less digits than its factorization.

56516001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16335.

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 56516001 is about 7517.7124845261. The cubic root of 56516001 is about 383.7577342852.

Adding to 56516001 its reverse (10061565), we get a palindrome (66577566).

The spelling of 56516001 in words is "fifty-six million, five hundred sixteen thousand, one".