56118983 has 2 divisors, whose sum is σ = 56118984. Its totient is φ = 56118982.

The previous prime is 56118949. The next prime is 56119003. The reversal of 56118983 is 38981165.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56118983 - 2¹⁰ = 56117959 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56118983.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56118943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28059491 + 28059492.

It is an arithmetic number, because the mean of its divisors is an integer number (28059492).

Almost surely, 2^56118983 is an apocalyptic number.

56118983 is a deficient number, since it is larger than the sum of its proper divisors (1).

56118983 is an equidigital number, since it uses as much as digits as its factorization.

56118983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 41.

The square root of 56118983 is about 7491.2604413410. The cubic root of 56118983 is about 382.8570047483.

The spelling of 56118983 in words is "fifty-six million, one hundred eighteen thousand, nine hundred eighty-three".