52779497 has 2 divisors, whose sum is σ = 52779498. Its totient is φ = 52779496.

The previous prime is 52779491. The next prime is 52779521. The reversal of 52779497 is 79497725.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45751696 + 7027801 = 6764^2 + 2651^2 .

It is a cyclic number.

It is not a de Polignac number, because 52779497 - 2⁴ = 52779481 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (52779491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26389748 + 26389749.

It is an arithmetic number, because the mean of its divisors is an integer number (26389749).

Almost surely, 2^52779497 is an apocalyptic number.

It is an amenable number.

52779497 is a deficient number, since it is larger than the sum of its proper divisors (1).

52779497 is an equidigital number, since it uses as much as digits as its factorization.

52779497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1111320, while the sum is 50.

The square root of 52779497 is about 7264.9498965925. The cubic root of 52779497 is about 375.1069253609.

The spelling of 52779497 in words is "fifty-two million, seven hundred seventy-nine thousand, four hundred ninety-seven".