56355828 has 12 divisors (see below), whose sum is σ = 131496960. Its totient is φ = 18785272.

The previous prime is 56355811. The next prime is 56355829. The reversal of 56355828 is 82855365.

56355828 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

56355828 is strictly pandigital in base 9.

It is a self number, because there is not a number n which added to its sum of digits gives 56355828.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56355829) 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, 2348148 + ... + 2348171.

It is an arithmetic number, because the mean of its divisors is an integer number (10958080).

Almost surely, 2^56355828 is an apocalyptic number.

It is an amenable number.

56355828 is an abundant number, since it is smaller than the sum of its proper divisors (75141132).

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

56355828 is a wasteful number, since it uses less digits than its factorization.

56355828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4696326 (or 4696324 counting only the distinct ones).

The product of its digits is 288000, while the sum is 42.

The square root of 56355828 is about 7507.0518847281. The cubic root of 56355828 is about 383.3948530544.

The spelling of 56355828 in words is "fifty-six million, three hundred fifty-five thousand, eight hundred twenty-eight".