52535402389 has 2 divisors, whose sum is σ = 52535402390. Its totient is φ = 52535402388.

The previous prime is 52535402377. The next prime is 52535402407. The reversal of 52535402389 is 98320453525.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45971648100 + 6563754289 = 214410^2 + 81017^2 .

It is a cyclic number.

It is not a de Polignac number, because 52535402389 - 2¹⁹ = 52534878101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52535402089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26267701194 + 26267701195.

It is an arithmetic number, because the mean of its divisors is an integer number (26267701195).

Almost surely, 2^52535402389 is an apocalyptic number.

It is an amenable number.

52535402389 is a deficient number, since it is larger than the sum of its proper divisors (1).

52535402389 is an equidigital number, since it uses as much as digits as its factorization.

52535402389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296000, while the sum is 46.

The spelling of 52535402389 in words is "fifty-two billion, five hundred thirty-five million, four hundred two thousand, three hundred eighty-nine".