53312999 has 2 divisors, whose sum is σ = 53313000. Its totient is φ = 53312998.

The previous prime is 53312981. The next prime is 53313019. The reversal of 53312999 is 99921335.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53312999 - 2¹² = 53308903 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53312929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26656499 + 26656500.

It is an arithmetic number, because the mean of its divisors is an integer number (26656500).

Almost surely, 2^53312999 is an apocalyptic number.

53312999 is a deficient number, since it is larger than the sum of its proper divisors (1).

53312999 is an equidigital number, since it uses as much as digits as its factorization.

53312999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 65610, while the sum is 41.

The square root of 53312999 is about 7301.5751040443. The cubic root of 53312999 is about 376.3665671206.

The spelling of 53312999 in words is "fifty-three million, three hundred twelve thousand, nine hundred ninety-nine".