56828855 has 16 divisors (see below), whose sum is σ = 70900704. Its totient is φ = 43689600.

The previous prime is 56828851. The next prime is 56828857. The reversal of 56828855 is 55882865.

It is not a de Polignac number, because 56828855 - 2² = 56828851 is a prime.

It is a super-2 number, since 2×56828855² = 6459037521222050, 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 (56828851) 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, 13505 + ... + 17205.

It is an arithmetic number, because the mean of its divisors is an integer number (4431294).

Almost surely, 2^56828855 is an apocalyptic number.

56828855 is a deficient number, since it is larger than the sum of its proper divisors (14071849).

56828855 is a wasteful number, since it uses less digits than its factorization.

56828855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3826.

The product of its digits is 768000, while the sum is 47.

The square root of 56828855 is about 7538.4915599873. The cubic root of 56828855 is about 384.4645505323.

The spelling of 56828855 in words is "fifty-six million, eight hundred twenty-eight thousand, eight hundred fifty-five".