52689499 has 2 divisors, whose sum is σ = 52689500. Its totient is φ = 52689498.

The previous prime is 52689437. The next prime is 52689503. The reversal of 52689499 is 99498625.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52689499 - 2¹¹ = 52687451 is a prime.

It is not a weakly prime, because it can be changed into another prime (52689599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26344749 + 26344750.

It is an arithmetic number, because the mean of its divisors is an integer number (26344750).

Almost surely, 2^52689499 is an apocalyptic number.

52689499 is a deficient number, since it is larger than the sum of its proper divisors (1).

52689499 is an equidigital number, since it uses as much as digits as its factorization.

52689499 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1399680, while the sum is 52.

The square root of 52689499 is about 7258.7532676073. The cubic root of 52689499 is about 374.8935970712.

The spelling of 52689499 in words is "fifty-two million, six hundred eighty-nine thousand, four hundred ninety-nine".