52637917 has 2 divisors, whose sum is σ = 52637918. Its totient is φ = 52637916.

The previous prime is 52637911. The next prime is 52637941. The reversal of 52637917 is 71973625.

52637917 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45778756 + 6859161 = 6766^2 + 2619^2 .

It is a cyclic number.

It is not a de Polignac number, because 52637917 - 2¹⁵ = 52605149 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52637917.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52637911) 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, 26318958 + 26318959.

It is an arithmetic number, because the mean of its divisors is an integer number (26318959).

Almost surely, 2^52637917 is an apocalyptic number.

It is an amenable number.

52637917 is a deficient number, since it is larger than the sum of its proper divisors (1).

52637917 is an equidigital number, since it uses as much as digits as its factorization.

52637917 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 79380, while the sum is 40.

The square root of 52637917 is about 7255.1993080824. The cubic root of 52637917 is about 374.7712192682.

The spelling of 52637917 in words is "fifty-two million, six hundred thirty-seven thousand, nine hundred seventeen".