52976509 has 2 divisors, whose sum is σ = 52976510. Its totient is φ = 52976508.

The previous prime is 52976491. The next prime is 52976537. The reversal of 52976509 is 90567925.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52969284 + 7225 = 7278^2 + 85^2 .

It is a cyclic number.

It is not a de Polignac number, because 52976509 - 2⁵ = 52976477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52976569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26488254 + 26488255.

It is an arithmetic number, because the mean of its divisors is an integer number (26488255).

Almost surely, 2^52976509 is an apocalyptic number.

It is an amenable number.

52976509 is a deficient number, since it is larger than the sum of its proper divisors (1).

52976509 is an equidigital number, since it uses as much as digits as its factorization.

52976509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 170100, while the sum is 43.

The square root of 52976509 is about 7278.4963419651. The cubic root of 52976509 is about 375.5730710520.

The spelling of 52976509 in words is "fifty-two million, nine hundred seventy-six thousand, five hundred nine".