56002220 has 24 divisors (see below), whose sum is σ = 117935664. Its totient is φ = 22337856.

The previous prime is 56002207. The next prime is 56002223. The reversal of 56002220 is 2220065.

56002220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (56002223) 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, 3707 + ... + 11213.

It is an arithmetic number, because the mean of its divisors is an integer number (4913986).

Almost surely, 2^56002220 is an apocalyptic number.

It is an amenable number.

56002220 is an abundant number, since it is smaller than the sum of its proper divisors (61933444).

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

56002220 is a wasteful number, since it uses less digits than its factorization.

56002220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7889 (or 7887 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 56002220 is about 7483.4631020671. The cubic root of 56002220 is about 382.5912920915.

Adding to 56002220 its reverse (2220065), we get a palindrome (58222285).

The spelling of 56002220 in words is "fifty-six million, two thousand, two hundred twenty".