55150500169 has 2 divisors, whose sum is σ = 55150500170. Its totient is φ = 55150500168.

The previous prime is 55150500103. The next prime is 55150500203. The reversal of 55150500169 is 96100505155.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54061830144 + 1088670025 = 232512^2 + 32995^2 .

It is a cyclic number.

It is not a de Polignac number, because 55150500169 - 2²¹ = 55148403017 is a prime.

It is a super-2 number, since 2×55150500169² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (55150500469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27575250084 + 27575250085.

It is an arithmetic number, because the mean of its divisors is an integer number (27575250085).

Almost surely, 2^55150500169 is an apocalyptic number.

It is an amenable number.

55150500169 is a deficient number, since it is larger than the sum of its proper divisors (1).

55150500169 is an equidigital number, since it uses as much as digits as its factorization.

55150500169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 33750, while the sum is 37.

The spelling of 55150500169 in words is "fifty-five billion, one hundred fifty million, five hundred thousand, one hundred sixty-nine".