52231705637 has 2 divisors, whose sum is σ = 52231705638. Its totient is φ = 52231705636.

The previous prime is 52231705577. The next prime is 52231705703. The reversal of 52231705637 is 73650713225.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48562496161 + 3669209476 = 220369^2 + 60574^2 .

It is a cyclic number.

It is not a de Polignac number, because 52231705637 - 2¹⁶ = 52231640101 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 52231705594 and 52231705603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52231705037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26115852818 + 26115852819.

It is an arithmetic number, because the mean of its divisors is an integer number (26115852819).

Almost surely, 2^52231705637 is an apocalyptic number.

It is an amenable number.

52231705637 is a deficient number, since it is larger than the sum of its proper divisors (1).

52231705637 is an equidigital number, since it uses as much as digits as its factorization.

52231705637 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 264600, while the sum is 41.

The spelling of 52231705637 in words is "fifty-two billion, two hundred thirty-one million, seven hundred five thousand, six hundred thirty-seven".