56017001 has 4 divisors (see below), whose sum is σ = 57531012. Its totient is φ = 54502992.

The previous prime is 56016979. The next prime is 56017021. The reversal of 56017001 is 10071065.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10071065 = 5 ⋅2014213.

It can be written as a sum of positive squares in 2 ways, for example, as 48288601 + 7728400 = 6949^2 + 2780^2 .

It is a cyclic number.

It is not a de Polignac number, because 56017001 - 2¹⁸ = 55754857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56017021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 756950 + ... + 757023.

It is an arithmetic number, because the mean of its divisors is an integer number (14382753).

Almost surely, 2^56017001 is an apocalyptic number.

It is an amenable number.

56017001 is a deficient number, since it is larger than the sum of its proper divisors (1514011).

56017001 is a wasteful number, since it uses less digits than its factorization.

56017001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1514010.

The product of its (nonzero) digits is 210, while the sum is 20.

The square root of 56017001 is about 7484.4506144406. The cubic root of 56017001 is about 382.6249489979.

Adding to 56017001 its reverse (10071065), we get a palindrome (66088066).

The spelling of 56017001 in words is "fifty-six million, seventeen thousand, one".