549302091 has 16 divisors (see below), whose sum is σ = 792228864. Its totient is φ = 336537504.

The previous prime is 549302053. The next prime is 549302093. The reversal of 549302091 is 190203945.

It is not a de Polignac number, because 549302091 - 2⁹ = 549301579 is a prime.

It is not an unprimeable number, because it can be changed into a prime (549302093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22171 + ... + 39876.

It is an arithmetic number, because the mean of its divisors is an integer number (49514304).

Almost surely, 2^549302091 is an apocalyptic number.

549302091 is a deficient number, since it is larger than the sum of its proper divisors (242926773).

549302091 is a wasteful number, since it uses less digits than its factorization.

549302091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62290.

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 549302091 is about 23437.1946060103. The cubic root of 549302091 is about 818.9745713755.

The spelling of 549302091 in words is "five hundred forty-nine million, three hundred two thousand, ninety-one".