55722165949 has 2 divisors, whose sum is σ = 55722165950. Its totient is φ = 55722165948.

The previous prime is 55722165937. The next prime is 55722166057. The reversal of 55722165949 is 94956122755.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54402297049 + 1319868900 = 233243^2 + 36330^2 .

It is a cyclic number.

It is not a de Polignac number, because 55722165949 - 2¹¹ = 55722163901 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55722165949.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55722165049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27861082974 + 27861082975.

It is an arithmetic number, because the mean of its divisors is an integer number (27861082975).

Almost surely, 2^55722165949 is an apocalyptic number.

It is an amenable number.

55722165949 is a deficient number, since it is larger than the sum of its proper divisors (1).

55722165949 is an equidigital number, since it uses as much as digits as its factorization.

55722165949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6804000, while the sum is 55.

The spelling of 55722165949 in words is "fifty-five billion, seven hundred twenty-two million, one hundred sixty-five thousand, nine hundred forty-nine".