53918699 has 2 divisors, whose sum is σ = 53918700. Its totient is φ = 53918698.

The previous prime is 53918681. The next prime is 53918701. The reversal of 53918699 is 99681935.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53918699 - 2⁸ = 53918443 is a prime.

It is a super-2 number, since 2×53918699² = 5814452203705202, which contains 22 as substring.

Together with 53918701, 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 (53918609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26959349 + 26959350.

It is an arithmetic number, because the mean of its divisors is an integer number (26959350).

Almost surely, 2^53918699 is an apocalyptic number.

53918699 is a deficient number, since it is larger than the sum of its proper divisors (1).

53918699 is an equidigital number, since it uses as much as digits as its factorization.

53918699 is an evil number, because the sum of its binary digits is even.

The product of its digits is 524880, while the sum is 50.

The square root of 53918699 is about 7342.9353122576. The cubic root of 53918699 is about 377.7865292443.

The spelling of 53918699 in words is "fifty-three million, nine hundred eighteen thousand, six hundred ninety-nine".