52657537 has 2 divisors, whose sum is σ = 52657538. Its totient is φ = 52657536.

The previous prime is 52657513. The next prime is 52657547. The reversal of 52657537 is 73575625.

52657537 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., 45171841 + 7485696 = 6721^2 + 2736^2 .

It is a cyclic number.

It is not a de Polignac number, because 52657537 - 2¹¹ = 52655489 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52657537.

It is not a weakly prime, because it can be changed into another prime (52657547) 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, 26328768 + 26328769.

It is an arithmetic number, because the mean of its divisors is an integer number (26328769).

Almost surely, 2^52657537 is an apocalyptic number.

It is an amenable number.

52657537 is a deficient number, since it is larger than the sum of its proper divisors (1).

52657537 is an equidigital number, since it uses as much as digits as its factorization.

52657537 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 220500, while the sum is 40.

The square root of 52657537 is about 7256.5513158800. The cubic root of 52657537 is about 374.8177769485.

The spelling of 52657537 in words is "fifty-two million, six hundred fifty-seven thousand, five hundred thirty-seven".