56513001 has 8 divisors (see below), whose sum is σ = 78626880. Its totient is φ = 36037232.

The previous prime is 56512997. The next prime is 56513021. The reversal of 56513001 is 10031565.

It is a happy number.

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 56513001 - 2² = 56512997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56513021) 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, 409446 + ... + 409583.

It is an arithmetic number, because the mean of its divisors is an integer number (9828360).

Almost surely, 2^56513001 is an apocalyptic number.

It is an amenable number.

56513001 is a deficient number, since it is larger than the sum of its proper divisors (22113879).

56513001 is a wasteful number, since it uses less digits than its factorization.

56513001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 819055.

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 56513001 is about 7517.5129530983. The cubic root of 56513001 is about 383.7509439157.

Adding to 56513001 its reverse (10031565), we get a palindrome (66544566).

The spelling of 56513001 in words is "fifty-six million, five hundred thirteen thousand, one".