53374639 has 2 divisors, whose sum is σ = 53374640. Its totient is φ = 53374638.

The previous prime is 53374637. The next prime is 53374669. The reversal of 53374639 is 93647335.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53374639 - 2¹ = 53374637 is a prime.

Together with 53374637, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53374637) 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, 26687319 + 26687320.

It is an arithmetic number, because the mean of its divisors is an integer number (26687320).

Almost surely, 2^53374639 is an apocalyptic number.

53374639 is a deficient number, since it is larger than the sum of its proper divisors (1).

53374639 is an equidigital number, since it uses as much as digits as its factorization.

53374639 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 204120, while the sum is 40.

The square root of 53374639 is about 7305.7948917281. The cubic root of 53374639 is about 376.5115617777.

The spelling of 53374639 in words is "fifty-three million, three hundred seventy-four thousand, six hundred thirty-nine".