53518799 has 2 divisors, whose sum is σ = 53518800. Its totient is φ = 53518798.

The previous prime is 53518781. The next prime is 53518807. The reversal of 53518799 is 99781535.

53518799 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53518799 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53518739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26759399 + 26759400.

It is an arithmetic number, because the mean of its divisors is an integer number (26759400).

Almost surely, 2^53518799 is an apocalyptic number.

53518799 is a deficient number, since it is larger than the sum of its proper divisors (1).

53518799 is an equidigital number, since it uses as much as digits as its factorization.

53518799 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 340200, while the sum is 47.

The square root of 53518799 is about 7315.6543794797. The cubic root of 53518799 is about 376.8502314431.

The spelling of 53518799 in words is "fifty-three million, five hundred eighteen thousand, seven hundred ninety-nine".