53108399 has 2 divisors, whose sum is σ = 53108400. Its totient is φ = 53108398.

The previous prime is 53108387. The next prime is 53108443. The reversal of 53108399 is 99380135.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53108399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53108329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26554199 + 26554200.

It is an arithmetic number, because the mean of its divisors is an integer number (26554200).

Almost surely, 2^53108399 is an apocalyptic number.

53108399 is a deficient number, since it is larger than the sum of its proper divisors (1).

53108399 is an equidigital number, since it uses as much as digits as its factorization.

53108399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29160, while the sum is 38.

The square root of 53108399 is about 7287.5509603707. The cubic root of 53108399 is about 375.8844875851.

The spelling of 53108399 in words is "fifty-three million, one hundred eight thousand, three hundred ninety-nine".