56847220 has 12 divisors (see below), whose sum is σ = 119379204. Its totient is φ = 22738880.

The previous prime is 56847179. The next prime is 56847227. The reversal of 56847220 is 2274865.

It can be written as a sum of positive squares in 2 ways, for example, as 43930384 + 12916836 = 6628^2 + 3594^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56847227) 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, 1421161 + ... + 1421200.

It is an arithmetic number, because the mean of its divisors is an integer number (9948267).

Almost surely, 2^56847220 is an apocalyptic number.

It is an amenable number.

56847220 is an abundant number, since it is smaller than the sum of its proper divisors (62531984).

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

56847220 is a wasteful number, since it uses less digits than its factorization.

56847220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2842370 (or 2842368 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 56847220 is about 7539.7095434771. The cubic root of 56847220 is about 384.5059610154.

The spelling of 56847220 in words is "fifty-six million, eight hundred forty-seven thousand, two hundred twenty".