52122557 has 2 divisors, whose sum is σ = 52122558. Its totient is φ = 52122556.

The previous prime is 52122533. The next prime is 52122559. The reversal of 52122557 is 75522125.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51179716 + 942841 = 7154^2 + 971^2 .

It is a cyclic number.

It is not a de Polignac number, because 52122557 - 2¹⁰ = 52121533 is a prime.

Together with 52122559, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52122559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26061278 + 26061279.

It is an arithmetic number, because the mean of its divisors is an integer number (26061279).

Almost surely, 2^52122557 is an apocalyptic number.

It is an amenable number.

52122557 is a deficient number, since it is larger than the sum of its proper divisors (1).

52122557 is an equidigital number, since it uses as much as digits as its factorization.

52122557 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7000, while the sum is 29.

The square root of 52122557 is about 7219.5953487713. The cubic root of 52122557 is about 373.5441198231.

The spelling of 52122557 in words is "fifty-two million, one hundred twenty-two thousand, five hundred fifty-seven".