53555267 has 2 divisors, whose sum is σ = 53555268. Its totient is φ = 53555266.

The previous prime is 53555237. The next prime is 53555269. The reversal of 53555267 is 76255535.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53555267 - 2¹⁰ = 53554243 is a prime.

Together with 53555269, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53555267.

It is not a weakly prime, because it can be changed into another prime (53555269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26777633 + 26777634.

It is an arithmetic number, because the mean of its divisors is an integer number (26777634).

Almost surely, 2^53555267 is an apocalyptic number.

53555267 is a deficient number, since it is larger than the sum of its proper divisors (1).

53555267 is an equidigital number, since it uses as much as digits as its factorization.

53555267 is an evil number, because the sum of its binary digits is even.

The product of its digits is 157500, while the sum is 38.

The square root of 53555267 is about 7318.1464183221. The cubic root of 53555267 is about 376.9358079394.

The spelling of 53555267 in words is "fifty-three million, five hundred fifty-five thousand, two hundred sixty-seven".