549890053 has 2 divisors, whose sum is σ = 549890054. Its totient is φ = 549890052.

The previous prime is 549890009. The next prime is 549890113. The reversal of 549890053 is 350098945.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 469285569 + 80604484 = 21663^2 + 8978^2 .

It is a cyclic number.

It is not a de Polignac number, because 549890053 - 2¹⁷ = 549758981 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 549889991 and 549890009.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (549870053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 274945026 + 274945027.

It is an arithmetic number, because the mean of its divisors is an integer number (274945027).

Almost surely, 2^549890053 is an apocalyptic number.

It is an amenable number.

549890053 is a deficient number, since it is larger than the sum of its proper divisors (1).

549890053 is an equidigital number, since it uses as much as digits as its factorization.

549890053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 194400, while the sum is 43.

The square root of 549890053 is about 23449.7346040419. The cubic root of 549890053 is about 819.2666718619.

The spelling of 549890053 in words is "five hundred forty-nine million, eight hundred ninety thousand, fifty-three".