56785620 has 48 divisors (see below), whose sum is σ = 165916800. Its totient is φ = 14484096.

The previous prime is 56785613. The next prime is 56785657. The reversal of 56785620 is 2658765.

It is a happy number.

It is a super-3 number, since 3×56785620³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19195 + ... + 21954.

It is an arithmetic number, because the mean of its divisors is an integer number (3456600).

Almost surely, 2^56785620 is an apocalyptic number.

It is an amenable number.

56785620 is an abundant number, since it is smaller than the sum of its proper divisors (109131180).

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

56785620 is a wasteful number, since it uses less digits than its factorization.

56785620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41184 (or 41182 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 39.

The square root of 56785620 is about 7535.6233982332. The cubic root of 56785620 is about 384.3670264722.

The spelling of 56785620 in words is "fifty-six million, seven hundred eighty-five thousand, six hundred twenty".