56886420 has 96 divisors (see below), whose sum is σ = 172706688. Its totient is φ = 13934592.

The previous prime is 56886413. The next prime is 56886421. The reversal of 56886420 is 2468865.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56886421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43212 + ... + 44508.

It is an arithmetic number, because the mean of its divisors is an integer number (1799028).

Almost surely, 2^56886420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56886420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86353344).

56886420 is an abundant number, since it is smaller than the sum of its proper divisors (115820268).

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

56886420 is a wasteful number, since it uses less digits than its factorization.

56886420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1369 (or 1367 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 39.

The square root of 56886420 is about 7542.3086651237. The cubic root of 56886420 is about 384.5943216568.

The spelling of 56886420 in words is "fifty-six million, eight hundred eighty-six thousand, four hundred twenty".