56788785 has 12 divisors (see below), whose sum is σ = 98433972. Its totient is φ = 30287328.

The previous prime is 56788783. The next prime is 56788793. The reversal of 56788785 is 58788765.

It is a happy number.

56788785 is a `hidden beast` number, since 567 + 8 + 8 + 78 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 34292736 + 22496049 = 5856^2 + 4743^2 .

It is not a de Polignac number, because 56788785 - 2¹ = 56788783 is a prime.

It is a super-2 number, since 2×56788785² = 6449932203552450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56788783) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 630942 + ... + 631031.

It is an arithmetic number, because the mean of its divisors is an integer number (8202831).

Almost surely, 2^56788785 is an apocalyptic number.

It is an amenable number.

56788785 is a deficient number, since it is larger than the sum of its proper divisors (41645187).

56788785 is a wasteful number, since it uses less digits than its factorization.

56788785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1261984 (or 1261981 counting only the distinct ones).

The product of its digits is 3763200, while the sum is 54.

The square root of 56788785 is about 7535.8333978399. The cubic root of 56788785 is about 384.3741673589.

The spelling of 56788785 in words is "fifty-six million, seven hundred eighty-eight thousand, seven hundred eighty-five".