53118383 has 2 divisors, whose sum is σ = 53118384. Its totient is φ = 53118382.

The previous prime is 53118361. The next prime is 53118389. The reversal of 53118383 is 38381135.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53118383 - 2⁸ = 53118127 is a prime.

It is a super-2 number, since 2×53118383² = 5643125225069378, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53118389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26559191 + 26559192.

It is an arithmetic number, because the mean of its divisors is an integer number (26559192).

Almost surely, 2^53118383 is an apocalyptic number.

53118383 is a deficient number, since it is larger than the sum of its proper divisors (1).

53118383 is an equidigital number, since it uses as much as digits as its factorization.

53118383 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8640, while the sum is 32.

The square root of 53118383 is about 7288.2359319660. The cubic root of 53118383 is about 375.9080406430.

The spelling of 53118383 in words is "fifty-three million, one hundred eighteen thousand, three hundred eighty-three".