56783876 has 18 divisors (see below), whose sum is σ = 105563178. Its totient is φ = 26721280.

The previous prime is 56783873. The next prime is 56783879. The reversal of 56783876 is 67838765.

It is an interprime number because it is at equal distance from previous prime (56783873) and next prime (56783879).

It can be written as a sum of positive squares in 3 ways, for example, as 9449476 + 47334400 = 3074^2 + 6880^2 .

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (56783873) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23405 + ... + 25716.

It is an arithmetic number, because the mean of its divisors is an integer number (5864621).

Almost surely, 2^56783876 is an apocalyptic number.

It is an amenable number.

56783876 is a deficient number, since it is larger than the sum of its proper divisors (48779302).

56783876 is a wasteful number, since it uses less digits than its factorization.

56783876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49159 (or 49140 counting only the distinct ones).

The product of its digits is 1693440, while the sum is 50.

The square root of 56783876 is about 7535.5076803093. The cubic root of 56783876 is about 384.3630915384.

The spelling of 56783876 in words is "fifty-six million, seven hundred eighty-three thousand, eight hundred seventy-six".