56279783 has 16 divisors (see below), whose sum is σ = 66585600. Its totient is φ = 47539800.

The previous prime is 56279777. The next prime is 56279791. The reversal of 56279783 is 38797265.

It is not a de Polignac number, because 56279783 - 2⁶ = 56279719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56279723) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23198 + ... + 25508.

It is an arithmetic number, because the mean of its divisors is an integer number (4161600).

Almost surely, 2^56279783 is an apocalyptic number.

56279783 is a deficient number, since it is larger than the sum of its proper divisors (10305817).

56279783 is an equidigital number, since it uses as much as digits as its factorization.

56279783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2403 (or 2389 counting only the distinct ones).

The product of its digits is 635040, while the sum is 47.

The square root of 56279783 is about 7501.9852705800. The cubic root of 56279783 is about 383.2223279507. Note that the first 3 decimals are identical.

The spelling of 56279783 in words is "fifty-six million, two hundred seventy-nine thousand, seven hundred eighty-three".