549082057 has 2 divisors, whose sum is σ = 549082058. Its totient is φ = 549082056.

The previous prime is 549082021. The next prime is 549082073. The reversal of 549082057 is 750280945.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 531809721 + 17272336 = 23061^2 + 4156^2 .

It is a cyclic number.

It is not a de Polignac number, because 549082057 - 2¹¹ = 549080009 is a prime.

It is a super-2 number, since 2×549082057² = 602982210638702498, which contains 22 as substring.

It is the 23433-rd Hogben number.

It is not a weakly prime, because it can be changed into another prime (549082097) by changing a digit.

It is a nontrivial repunit in base 23432.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 274541028 + 274541029.

It is an arithmetic number, because the mean of its divisors is an integer number (274541029).

Almost surely, 2^549082057 is an apocalyptic number.

It is an amenable number.

549082057 is a deficient number, since it is larger than the sum of its proper divisors (1).

549082057 is an equidigital number, since it uses as much as digits as its factorization.

549082057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 100800, while the sum is 40.

The square root of 549082057 is about 23432.5000160034. The cubic root of 549082057 is about 818.8652045260.

It can be divided in two parts, 54908 and 2057, that added together give a palindrome (56965).

The spelling of 549082057 in words is "five hundred forty-nine million, eighty-two thousand, fifty-seven".