55502805289 has 2 divisors, whose sum is σ = 55502805290. Its totient is φ = 55502805288.

The previous prime is 55502805287. The next prime is 55502805343. The reversal of 55502805289 is 98250820555.

55502805289 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33154947225 + 22347858064 = 182085^2 + 149492^2 .

It is a cyclic number.

It is not a de Polignac number, because 55502805289 - 2¹ = 55502805287 is a prime.

It is a super-2 number, since 2×55502805289² (a number of 22 digits) contains 22 as substring.

Together with 55502805287, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (55502805287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27751402644 + 27751402645.

It is an arithmetic number, because the mean of its divisors is an integer number (27751402645).

Almost surely, 2^55502805289 is an apocalyptic number.

It is an amenable number.

55502805289 is a deficient number, since it is larger than the sum of its proper divisors (1).

55502805289 is an equidigital number, since it uses as much as digits as its factorization.

55502805289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440000, while the sum is 49.

The spelling of 55502805289 in words is "fifty-five billion, five hundred two million, eight hundred five thousand, two hundred eighty-nine".