56516783 has 2 divisors, whose sum is σ = 56516784. Its totient is φ = 56516782.

The previous prime is 56516771. The next prime is 56516791. The reversal of 56516783 is 38761565.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56516783 - 2⁴ = 56516767 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56516783.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56516183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28258391 + 28258392.

It is an arithmetic number, because the mean of its divisors is an integer number (28258392).

Almost surely, 2^56516783 is an apocalyptic number.

56516783 is a deficient number, since it is larger than the sum of its proper divisors (1).

56516783 is an equidigital number, since it uses as much as digits as its factorization.

56516783 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 151200, while the sum is 41.

The square root of 56516783 is about 7517.7644948482. The cubic root of 56516783 is about 383.7595042686.

The spelling of 56516783 in words is "fifty-six million, five hundred sixteen thousand, seven hundred eighty-three".