56783057 has 2 divisors, whose sum is σ = 56783058. Its totient is φ = 56783056.

The previous prime is 56783053. The next prime is 56783063. The reversal of 56783057 is 75038765.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50069776 + 6713281 = 7076^2 + 2591^2 .

It is a cyclic number.

It is not a de Polignac number, because 56783057 - 2² = 56783053 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (56783053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28391528 + 28391529.

It is an arithmetic number, because the mean of its divisors is an integer number (28391529).

Almost surely, 2^56783057 is an apocalyptic number.

It is an amenable number.

56783057 is a deficient number, since it is larger than the sum of its proper divisors (1).

56783057 is an equidigital number, since it uses as much as digits as its factorization.

56783057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 176400, while the sum is 41.

The square root of 56783057 is about 7535.4533373912. The cubic root of 56783057 is about 384.3612436260.

The spelling of 56783057 in words is "fifty-six million, seven hundred eighty-three thousand, fifty-seven".