52637587 has 2 divisors, whose sum is σ = 52637588. Its totient is φ = 52637586.

The previous prime is 52637579. The next prime is 52637591. The reversal of 52637587 is 78573625.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52637587 - 2³ = 52637579 is a prime.

It is not a weakly prime, because it can be changed into another prime (52637527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26318793 + 26318794.

It is an arithmetic number, because the mean of its divisors is an integer number (26318794).

Almost surely, 2^52637587 is an apocalyptic number.

52637587 is a deficient number, since it is larger than the sum of its proper divisors (1).

52637587 is an equidigital number, since it uses as much as digits as its factorization.

52637587 is an evil number, because the sum of its binary digits is even.

The product of its digits is 352800, while the sum is 43.

The square root of 52637587 is about 7255.1765657357. The cubic root of 52637587 is about 374.7704360890.

The spelling of 52637587 in words is "fifty-two million, six hundred thirty-seven thousand, five hundred eighty-seven".