56733697 has 2 divisors, whose sum is σ = 56733698. Its totient is φ = 56733696.

The previous prime is 56733679. The next prime is 56733707. The reversal of 56733697 is 79633765.

Together with previous prime (56733679) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48944016 + 7789681 = 6996^2 + 2791^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56733697 is a prime.

It is not a weakly prime, because it can be changed into another prime (56733637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28366848 + 28366849.

It is an arithmetic number, because the mean of its divisors is an integer number (28366849).

Almost surely, 2^56733697 is an apocalyptic number.

It is an amenable number.

56733697 is a deficient number, since it is larger than the sum of its proper divisors (1).

56733697 is an equidigital number, since it uses as much as digits as its factorization.

56733697 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 714420, while the sum is 46.

The square root of 56733697 is about 7532.1774408202. The cubic root of 56733697 is about 384.2498396736.

The spelling of 56733697 in words is "fifty-six million, seven hundred thirty-three thousand, six hundred ninety-seven".