56864211 has 16 divisors (see below), whose sum is σ = 79660800. Its totient is φ = 36011360.

The previous prime is 56864209. The next prime is 56864233. The reversal of 56864211 is 11246865.

It is a cyclic number.

It is not a de Polignac number, because 56864211 - 2¹ = 56864209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56864281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7516 + ... + 13046.

It is an arithmetic number, because the mean of its divisors is an integer number (4978800).

Almost surely, 2^56864211 is an apocalyptic number.

56864211 is a deficient number, since it is larger than the sum of its proper divisors (22796589).

56864211 is a wasteful number, since it uses less digits than its factorization.

56864211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5706.

The product of its digits is 11520, while the sum is 33.

The square root of 56864211 is about 7540.8362268385. The cubic root of 56864211 is about 384.5442653804.

It can be divided in two parts, 56864 and 211, that added together give a palindrome (57075).

The spelling of 56864211 in words is "fifty-six million, eight hundred sixty-four thousand, two hundred eleven".