53684263 has 2 divisors, whose sum is σ = 53684264. Its totient is φ = 53684262.

The previous prime is 53684243. The next prime is 53684269. The reversal of 53684263 is 36248635.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53684263 - 2²¹ = 51587111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53684269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26842131 + 26842132.

It is an arithmetic number, because the mean of its divisors is an integer number (26842132).

Almost surely, 2^53684263 is an apocalyptic number.

53684263 is a deficient number, since it is larger than the sum of its proper divisors (1).

53684263 is an equidigital number, since it uses as much as digits as its factorization.

53684263 is an evil number, because the sum of its binary digits is even.

The product of its digits is 103680, while the sum is 37.

The square root of 53684263 is about 7326.9545515173. The cubic root of 53684263 is about 377.2382010096.

The spelling of 53684263 in words is "fifty-three million, six hundred eighty-four thousand, two hundred sixty-three".