56111017 has 4 divisors (see below), whose sum is σ = 56127060. Its totient is φ = 56094976.

The previous prime is 56110987. The next prime is 56111021. The reversal of 56111017 is 71011165.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15202201 + 40908816 = 3899^2 + 6396^2 .

It is a cyclic number.

It is not a de Polignac number, because 56111017 - 2¹⁵ = 56078249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56111057) 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, 292 + ... + 10597.

It is an arithmetic number, because the mean of its divisors is an integer number (14031765).

Almost surely, 2^56111017 is an apocalyptic number.

It is an amenable number.

56111017 is a deficient number, since it is larger than the sum of its proper divisors (16043).

56111017 is a wasteful number, since it uses less digits than its factorization.

56111017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16042.

The product of its (nonzero) digits is 210, while the sum is 22.

The square root of 56111017 is about 7490.7287362446. The cubic root of 56111017 is about 382.8388885777.

The spelling of 56111017 in words is "fifty-six million, one hundred eleven thousand, seventeen".