52731577 has 2 divisors, whose sum is σ = 52731578. Its totient is φ = 52731576.

The previous prime is 52731463. The next prime is 52731647. The reversal of 52731577 is 77513725.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34999056 + 17732521 = 5916^2 + 4211^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52731577 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (52731277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26365788 + 26365789.

It is an arithmetic number, because the mean of its divisors is an integer number (26365789).

Almost surely, 2^52731577 is an apocalyptic number.

It is an amenable number.

52731577 is a deficient number, since it is larger than the sum of its proper divisors (1).

52731577 is an equidigital number, since it uses as much as digits as its factorization.

52731577 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51450, while the sum is 37.

The square root of 52731577 is about 7261.6511207851. The cubic root of 52731577 is about 374.9933675864.

The spelling of 52731577 in words is "fifty-two million, seven hundred thirty-one thousand, five hundred seventy-seven".