52885636637 has 2 divisors, whose sum is σ = 52885636638. Its totient is φ = 52885636636.

The previous prime is 52885636607. The next prime is 52885636663. The reversal of 52885636637 is 73663658825.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39360179236 + 13525457401 = 198394^2 + 116299^2 .

It is a cyclic number.

It is not a de Polignac number, because 52885636637 - 2⁸ = 52885636381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52885636607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26442818318 + 26442818319.

It is an arithmetic number, because the mean of its divisors is an integer number (26442818319).

Almost surely, 2^52885636637 is an apocalyptic number.

It is an amenable number.

52885636637 is a deficient number, since it is larger than the sum of its proper divisors (1).

52885636637 is an equidigital number, since it uses as much as digits as its factorization.

52885636637 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43545600, while the sum is 59.

The spelling of 52885636637 in words is "fifty-two billion, eight hundred eighty-five million, six hundred thirty-six thousand, six hundred thirty-seven".