56939860 has 24 divisors (see below), whose sum is σ = 119800296. Its totient is φ = 22732800.

The previous prime is 56939849. The next prime is 56939863. The reversal of 56939860 is 6893965.

56939860 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 9412624 + 47527236 = 3068^2 + 6894^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 56939860.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56939863) 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, 9460 + ... + 14260.

It is an arithmetic number, because the mean of its divisors is an integer number (4991679).

Almost surely, 2^56939860 is an apocalyptic number.

It is an amenable number.

56939860 is an abundant number, since it is smaller than the sum of its proper divisors (62860436).

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

56939860 is a wasteful number, since it uses less digits than its factorization.

56939860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5403 (or 5401 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 46.

The square root of 56939860 is about 7545.8505153495. The cubic root of 56939860 is about 384.7147152883.

The spelling of 56939860 in words is "fifty-six million, nine hundred thirty-nine thousand, eight hundred sixty".