53115299 has 2 divisors, whose sum is σ = 53115300. Its totient is φ = 53115298.

The previous prime is 53115287. The next prime is 53115301. The reversal of 53115299 is 99251135.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53115299 - 2⁸ = 53115043 is a prime.

Together with 53115301, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (53115229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26557649 + 26557650.

It is an arithmetic number, because the mean of its divisors is an integer number (26557650).

Almost surely, 2^53115299 is an apocalyptic number.

53115299 is a deficient number, since it is larger than the sum of its proper divisors (1).

53115299 is an equidigital number, since it uses as much as digits as its factorization.

53115299 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12150, while the sum is 35.

The square root of 53115299 is about 7288.0243550636. The cubic root of 53115299 is about 375.9007655543.

The spelling of 53115299 in words is "fifty-three million, one hundred fifteen thousand, two hundred ninety-nine".