53374637 has 2 divisors, whose sum is σ = 53374638. Its totient is φ = 53374636.

The previous prime is 53374627. The next prime is 53374639. The reversal of 53374637 is 73647335.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44970436 + 8404201 = 6706^2 + 2899^2 .

It is a cyclic number.

It is not a de Polignac number, because 53374637 - 2⁴ = 53374621 is a prime.

Together with 53374639, 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 53374637.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53374639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26687318 + 26687319.

It is an arithmetic number, because the mean of its divisors is an integer number (26687319).

Almost surely, 2^53374637 is an apocalyptic number.

It is an amenable number.

53374637 is a deficient number, since it is larger than the sum of its proper divisors (1).

53374637 is an equidigital number, since it uses as much as digits as its factorization.

53374637 is an evil number, because the sum of its binary digits is even.

The product of its digits is 158760, while the sum is 38.

The square root of 53374637 is about 7305.7947548504. The cubic root of 53374637 is about 376.5115570750.

The spelling of 53374637 in words is "fifty-three million, three hundred seventy-four thousand, six hundred thirty-seven".