53260399 has 2 divisors, whose sum is σ = 53260400. Its totient is φ = 53260398.

The previous prime is 53260397. The next prime is 53260411. The reversal of 53260399 is 99306235.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53260399 - 2¹ = 53260397 is a prime.

Together with 53260397, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53260391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26630199 + 26630200.

It is an arithmetic number, because the mean of its divisors is an integer number (26630200).

Almost surely, 2^53260399 is an apocalyptic number.

53260399 is a deficient number, since it is larger than the sum of its proper divisors (1).

53260399 is an equidigital number, since it uses as much as digits as its factorization.

53260399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43740, while the sum is 37.

The square root of 53260399 is about 7297.9722526192. The cubic root of 53260399 is about 376.2427486894.

The spelling of 53260399 in words is "fifty-three million, two hundred sixty thousand, three hundred ninety-nine".