52980637 has 2 divisors, whose sum is σ = 52980638. Its totient is φ = 52980636.

The previous prime is 52980617. The next prime is 52980659. The reversal of 52980637 is 73608925.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37527876 + 15452761 = 6126^2 + 3931^2 .

It is a cyclic number.

It is not a de Polignac number, because 52980637 - 2⁷ = 52980509 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52980637.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52980617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26490318 + 26490319.

It is an arithmetic number, because the mean of its divisors is an integer number (26490319).

Almost surely, 2^52980637 is an apocalyptic number.

It is an amenable number.

52980637 is a deficient number, since it is larger than the sum of its proper divisors (1).

52980637 is an equidigital number, since it uses as much as digits as its factorization.

52980637 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 52980637 is about 7278.7799114962. The cubic root of 52980637 is about 375.5828258496.

The spelling of 52980637 in words is "fifty-two million, nine hundred eighty thousand, six hundred thirty-seven".