56356911 has 32 divisors (see below), whose sum is σ = 90379520. Its totient is φ = 34502112.

The previous prime is 56356873. The next prime is 56356931. The reversal of 56356911 is 11965365.

56356911 is a `hidden beast` number, since 5 + 635 + 6 + 9 + 11 = 666.

It is not a de Polignac number, because 56356911 - 2¹¹ = 56354863 is a prime.

It is a super-2 number, since 2×56356911² = 6352202834923842, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56356931) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 107496 + ... + 108018.

It is an arithmetic number, because the mean of its divisors is an integer number (2824360).

Almost surely, 2^56356911 is an apocalyptic number.

56356911 is a deficient number, since it is larger than the sum of its proper divisors (34022609).

56356911 is a wasteful number, since it uses less digits than its factorization.

56356911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 852 (or 846 counting only the distinct ones).

The product of its digits is 24300, while the sum is 36.

The square root of 56356911 is about 7507.1240165592. The cubic root of 56356911 is about 383.3973089611.

The spelling of 56356911 in words is "fifty-six million, three hundred fifty-six thousand, nine hundred eleven".