52497979 has 2 divisors, whose sum is σ = 52497980. Its totient is φ = 52497978.

The previous prime is 52497971. The next prime is 52498001. The reversal of 52497979 is 97979425.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52497979 - 2³ = 52497971 is a prime.

It is not a weakly prime, because it can be changed into another prime (52497971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26248989 + 26248990.

It is an arithmetic number, because the mean of its divisors is an integer number (26248990).

Almost surely, 2^52497979 is an apocalyptic number.

52497979 is a deficient number, since it is larger than the sum of its proper divisors (1).

52497979 is an equidigital number, since it uses as much as digits as its factorization.

52497979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1428840, while the sum is 52.

The square root of 52497979 is about 7245.5489095030. The cubic root of 52497979 is about 374.4388145338.

The spelling of 52497979 in words is "fifty-two million, four hundred ninety-seven thousand, nine hundred seventy-nine".