53122250989 has 2 divisors, whose sum is σ = 53122250990. Its totient is φ = 53122250988.

The previous prime is 53122250983. The next prime is 53122251097. The reversal of 53122250989 is 98905222135.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52695498025 + 426752964 = 229555^2 + 20658^2 .

It is a cyclic number.

It is not a de Polignac number, because 53122250989 - 2⁷ = 53122250861 is a prime.

It is a super-2 number, since 2×53122250989² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53122250983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26561125494 + 26561125495.

It is an arithmetic number, because the mean of its divisors is an integer number (26561125495).

Almost surely, 2^53122250989 is an apocalyptic number.

It is an amenable number.

53122250989 is a deficient number, since it is larger than the sum of its proper divisors (1).

53122250989 is an equidigital number, since it uses as much as digits as its factorization.

53122250989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 388800, while the sum is 46.

The spelling of 53122250989 in words is "fifty-three billion, one hundred twenty-two million, two hundred fifty thousand, nine hundred eighty-nine".