53574637 has 2 divisors, whose sum is σ = 53574638. Its totient is φ = 53574636.

The previous prime is 53574611. The next prime is 53574643. The reversal of 53574637 is 73647535.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51351556 + 2223081 = 7166^2 + 1491^2 .

It is a cyclic number.

It is not a de Polignac number, because 53574637 - 2¹⁵ = 53541869 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53574637.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53572637) 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, 26787318 + 26787319.

It is an arithmetic number, because the mean of its divisors is an integer number (26787319).

Almost surely, 2^53574637 is an apocalyptic number.

It is an amenable number.

53574637 is a deficient number, since it is larger than the sum of its proper divisors (1).

53574637 is an equidigital number, since it uses as much as digits as its factorization.

53574637 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 264600, while the sum is 40.

The square root of 53574637 is about 7319.4697212298. The cubic root of 53574637 is about 376.9812461502.

The spelling of 53574637 in words is "fifty-three million, five hundred seventy-four thousand, six hundred thirty-seven".