56838220 has 12 divisors (see below), whose sum is σ = 119360304. Its totient is φ = 22735280.

The previous prime is 56838211. The next prime is 56838227. The reversal of 56838220 is 2283865.

It is not an unprimeable number, because it can be changed into a prime (56838227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1420936 + ... + 1420975.

It is an arithmetic number, because the mean of its divisors is an integer number (9946692).

Almost surely, 2^56838220 is an apocalyptic number.

It is an amenable number.

56838220 is an abundant number, since it is smaller than the sum of its proper divisors (62522084).

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

56838220 is a wasteful number, since it uses less digits than its factorization.

56838220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2841920 (or 2841918 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 56838220 is about 7539.1126798848. The cubic root of 56838220 is about 384.4856684001.

It can be divided in two parts, 5 and 6838220, that added together give a square (6838225 = 2615²).

The spelling of 56838220 in words is "fifty-six million, eight hundred thirty-eight thousand, two hundred twenty".