56021146 has 16 divisors (see below), whose sum is σ = 87848064. Its totient is φ = 26743024.

The previous prime is 56021143. The next prime is 56021153. The reversal of 56021146 is 64112065.

56021146 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 56021146.

It is not an unprimeable number, because it can be changed into a prime (56021143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40116 + ... + 41488.

It is an arithmetic number, because the mean of its divisors is an integer number (5490504).

Almost surely, 2^56021146 is an apocalyptic number.

56021146 is a deficient number, since it is larger than the sum of its proper divisors (31826918).

56021146 is a wasteful number, since it uses less digits than its factorization.

56021146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2285.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 56021146 is about 7484.7275167504. The cubic root of 56021146 is about 382.6343862597.

The spelling of 56021146 in words is "fifty-six million, twenty-one thousand, one hundred forty-six".