53401637 has 2 divisors, whose sum is σ = 53401638. Its totient is φ = 53401636.

The previous prime is 53401597. The next prime is 53401669. The reversal of 53401637 is 73610435.

53401637 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39866596 + 13535041 = 6314^2 + 3679^2 .

It is a cyclic number.

It is not a de Polignac number, because 53401637 - 2¹² = 53397541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53401937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26700818 + 26700819.

It is an arithmetic number, because the mean of its divisors is an integer number (26700819).

Almost surely, 2^53401637 is an apocalyptic number.

It is an amenable number.

53401637 is a deficient number, since it is larger than the sum of its proper divisors (1).

53401637 is an equidigital number, since it uses as much as digits as its factorization.

53401637 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 29.

The square root of 53401637 is about 7307.6423694650. The cubic root of 53401637 is about 376.5750335308.

The spelling of 53401637 in words is "fifty-three million, four hundred one thousand, six hundred thirty-seven".