52257502769 has 2 divisors, whose sum is σ = 52257502770. Its totient is φ = 52257502768.

The previous prime is 52257502729. The next prime is 52257502771. The reversal of 52257502769 is 96720575225.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29535859600 + 22721643169 = 171860^2 + 150737^2 .

It is a cyclic number.

It is not a de Polignac number, because 52257502769 - 2⁸ = 52257502513 is a prime.

It is a super-2 number, since 2×52257502769² (a number of 22 digits) contains 22 as substring.

Together with 52257502771, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (52257502729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26128751384 + 26128751385.

It is an arithmetic number, because the mean of its divisors is an integer number (26128751385).

Almost surely, 2^52257502769 is an apocalyptic number.

It is an amenable number.

52257502769 is a deficient number, since it is larger than the sum of its proper divisors (1).

52257502769 is an equidigital number, since it uses as much as digits as its factorization.

52257502769 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2646000, while the sum is 50.

The spelling of 52257502769 in words is "fifty-two billion, two hundred fifty-seven million, five hundred two thousand, seven hundred sixty-nine".