52626689 has 2 divisors, whose sum is σ = 52626690. Its totient is φ = 52626688.

The previous prime is 52626667. The next prime is 52626701. The reversal of 52626689 is 98662625.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47720464 + 4906225 = 6908^2 + 2215^2 .

It is a cyclic number.

It is not a de Polignac number, because 52626689 - 2⁸ = 52626433 is a prime.

It is not a weakly prime, because it can be changed into another prime (52626659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26313344 + 26313345.

It is an arithmetic number, because the mean of its divisors is an integer number (26313345).

Almost surely, 2^52626689 is an apocalyptic number.

It is an amenable number.

52626689 is a deficient number, since it is larger than the sum of its proper divisors (1).

52626689 is an equidigital number, since it uses as much as digits as its factorization.

52626689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 311040, while the sum is 44.

The square root of 52626689 is about 7254.4254769072. The cubic root of 52626689 is about 374.7445703510.

The spelling of 52626689 in words is "fifty-two million, six hundred twenty-six thousand, six hundred eighty-nine".