53917499 has 2 divisors, whose sum is σ = 53917500. Its totient is φ = 53917498.

The previous prime is 53917477. The next prime is 53917511. The reversal of 53917499 is 99471935.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53917499 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (53913499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26958749 + 26958750.

It is an arithmetic number, because the mean of its divisors is an integer number (26958750).

Almost surely, 2^53917499 is an apocalyptic number.

53917499 is a deficient number, since it is larger than the sum of its proper divisors (1).

53917499 is an equidigital number, since it uses as much as digits as its factorization.

53917499 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 306180, while the sum is 47.

The square root of 53917499 is about 7342.8536006106. The cubic root of 53917499 is about 377.7837265852.

The spelling of 53917499 in words is "fifty-three million, nine hundred seventeen thousand, four hundred ninety-nine".