53366251 has 2 divisors, whose sum is σ = 53366252. Its totient is φ = 53366250.

The previous prime is 53366249. The next prime is 53366263. The reversal of 53366251 is 15266335.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53366251 - 2¹ = 53366249 is a prime.

Together with 53366249, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (53361251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26683125 + 26683126.

It is an arithmetic number, because the mean of its divisors is an integer number (26683126).

Almost surely, 2^53366251 is an apocalyptic number.

53366251 is a deficient number, since it is larger than the sum of its proper divisors (1).

53366251 is an equidigital number, since it uses as much as digits as its factorization.

53366251 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16200, while the sum is 31.

The square root of 53366251 is about 7305.2208043289. The cubic root of 53366251 is about 376.4918374012.

The spelling of 53366251 in words is "fifty-three million, three hundred sixty-six thousand, two hundred fifty-one".