56118783 has 8 divisors (see below), whose sum is σ = 85514368. Its totient is φ = 32067864.

The previous prime is 56118779. The next prime is 56118793. The reversal of 56118783 is 38781165.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 56118783 - 2² = 56118779 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 (56118703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1336141 + ... + 1336182.

It is an arithmetic number, because the mean of its divisors is an integer number (10689296).

Almost surely, 2^56118783 is an apocalyptic number.

56118783 is a deficient number, since it is larger than the sum of its proper divisors (29395585).

56118783 is a wasteful number, since it uses less digits than its factorization.

56118783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2672333.

The product of its digits is 40320, while the sum is 39.

The square root of 56118783 is about 7491.2470924406. The cubic root of 56118783 is about 382.8565499320.

It can be divided in two parts, 561187 and 83, that added together give a triangular number (561270 = T₁₀₅₉).

The spelling of 56118783 in words is "fifty-six million, one hundred eighteen thousand, seven hundred eighty-three".