53893933 has 2 divisors, whose sum is σ = 53893934. Its totient is φ = 53893932.

The previous prime is 53893909. The next prime is 53893943. The reversal of 53893933 is 33939835.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51883209 + 2010724 = 7203^2 + 1418^2 .

It is a cyclic number.

It is not a de Polignac number, because 53893933 - 2⁵ = 53893901 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53893933.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53893943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26946966 + 26946967.

It is an arithmetic number, because the mean of its divisors is an integer number (26946967).

Almost surely, 2^53893933 is an apocalyptic number.

It is an amenable number.

53893933 is a deficient number, since it is larger than the sum of its proper divisors (1).

53893933 is an equidigital number, since it uses as much as digits as its factorization.

53893933 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 262440, while the sum is 43.

The square root of 53893933 is about 7341.2487357397. The cubic root of 53893933 is about 377.7286786023.

The spelling of 53893933 in words is "fifty-three million, eight hundred ninety-three thousand, nine hundred thirty-three".