56211426 has 24 divisors (see below), whose sum is σ = 122977920. Its totient is φ = 18554616.

The previous prime is 56211383. The next prime is 56211427. The reversal of 56211426 is 62411265.

56211426 is a `hidden beast` number, since 5 + 621 + 14 + 26 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 56211426.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56211427) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13306 + ... + 17013.

It is an arithmetic number, because the mean of its divisors is an integer number (5124080).

Almost surely, 2^56211426 is an apocalyptic number.

56211426 is an abundant number, since it is smaller than the sum of its proper divisors (66766494).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56211426 is a wasteful number, since it uses less digits than its factorization.

56211426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30430 (or 30427 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 56211426 is about 7497.4279589737. The cubic root of 56211426 is about 383.0671121092.

The spelling of 56211426 in words is "fifty-six million, two hundred eleven thousand, four hundred twenty-six".