549499051 has 2 divisors, whose sum is σ = 549499052. Its totient is φ = 549499050.

The previous prime is 549499031. The next prime is 549499061. The reversal of 549499051 is 150994945.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 549499051 - 2²⁷ = 415281323 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 549498992 and 549499010.

It is not a weakly prime, because it can be changed into another prime (549499031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 274749525 + 274749526.

It is an arithmetic number, because the mean of its divisors is an integer number (274749526).

Almost surely, 2^549499051 is an apocalyptic number.

549499051 is a deficient number, since it is larger than the sum of its proper divisors (1).

549499051 is an equidigital number, since it uses as much as digits as its factorization.

549499051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 291600, while the sum is 46.

The square root of 549499051 is about 23441.3960975024. The cubic root of 549499051 is about 819.0724446336.

It can be divided in two parts, 54949 and 9051, that added together give a cube (64000 = 40³).

The spelling of 549499051 in words is "five hundred forty-nine million, four hundred ninety-nine thousand, fifty-one".