53933287 has 2 divisors, whose sum is σ = 53933288. Its totient is φ = 53933286.

The previous prime is 53933279. The next prime is 53933303. The reversal of 53933287 is 78233935.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53933287 - 2³ = 53933279 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53933207) 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, 26966643 + 26966644.

It is an arithmetic number, because the mean of its divisors is an integer number (26966644).

Almost surely, 2^53933287 is an apocalyptic number.

53933287 is a deficient number, since it is larger than the sum of its proper divisors (1).

53933287 is an equidigital number, since it uses as much as digits as its factorization.

53933287 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 136080, while the sum is 40.

The square root of 53933287 is about 7343.9285808074. The cubic root of 53933287 is about 377.8205969118.

The spelling of 53933287 in words is "fifty-three million, nine hundred thirty-three thousand, two hundred eighty-seven".