52999637 has 2 divisors, whose sum is σ = 52999638. Its totient is φ = 52999636.

The previous prime is 52999631. The next prime is 52999663. The reversal of 52999637 is 73699925.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47458321 + 5541316 = 6889^2 + 2354^2 .

It is a cyclic number.

It is not a de Polignac number, because 52999637 - 2⁸ = 52999381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52999631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26499818 + 26499819.

It is an arithmetic number, because the mean of its divisors is an integer number (26499819).

Almost surely, 2^52999637 is an apocalyptic number.

It is an amenable number.

52999637 is a deficient number, since it is larger than the sum of its proper divisors (1).

52999637 is an equidigital number, since it uses as much as digits as its factorization.

52999637 is an evil number, because the sum of its binary digits is even.

The product of its digits is 918540, while the sum is 50.

The square root of 52999637 is about 7280.0849582955. The cubic root of 52999637 is about 375.6277178530.

The spelling of 52999637 in words is "fifty-two million, nine hundred ninety-nine thousand, six hundred thirty-seven".