56560011 has 4 divisors (see below), whose sum is σ = 75413352. Its totient is φ = 37706672.

The previous prime is 56559989. The next prime is 56560057. The reversal of 56560011 is 11006565.

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

It is a cyclic number.

It is not a de Polignac number, because 56560011 - 2²² = 52365707 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56560111) 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, 9426666 + ... + 9426671.

It is an arithmetic number, because the mean of its divisors is an integer number (18853338).

Almost surely, 2^56560011 is an apocalyptic number.

56560011 is a deficient number, since it is larger than the sum of its proper divisors (18853341).

56560011 is a wasteful number, since it uses less digits than its factorization.

56560011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18853340.

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

The square root of 56560011 is about 7520.6390021061. The cubic root of 56560011 is about 383.8573213963.

Adding to 56560011 its reverse (11006565), we get a palindrome (67566576).

The spelling of 56560011 in words is "fifty-six million, five hundred sixty thousand, eleven".