89529402553 has 2 divisors, whose sum is σ = 89529402554. Its totient is φ = 89529402552.

The previous prime is 89529402551. The next prime is 89529402581. The reversal of 89529402553 is 35520492598.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66330457209 + 23198945344 = 257547^2 + 152312^2 .

It is a cyclic number.

It is not a de Polignac number, because 89529402553 - 2¹ = 89529402551 is a prime.

Together with 89529402551, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 89529402553.

It is not a weakly prime, because it can be changed into another prime (89529402551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44764701276 + 44764701277.

It is an arithmetic number, because the mean of its divisors is an integer number (44764701277).

Almost surely, 2^89529402553 is an apocalyptic number.

It is an amenable number.

89529402553 is a deficient number, since it is larger than the sum of its proper divisors (1).

89529402553 is an equidigital number, since it uses as much as digits as its factorization.

89529402553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888000, while the sum is 52.

The spelling of 89529402553 in words is "eighty-nine billion, five hundred twenty-nine million, four hundred two thousand, five hundred fifty-three".