549137079 has 12 divisors (see below), whose sum is σ = 801376576. Its totient is φ = 362316672.

The previous prime is 549137063. The next prime is 549137087. The reversal of 549137079 is 970731945.

549137079 is a `hidden beast` number, since 549 + 1 + 37 + 0 + 79 = 666.

It is not a de Polignac number, because 549137079 - 2⁴ = 549137063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (549137089) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 313639 + ... + 315384.

Almost surely, 2^549137079 is an apocalyptic number.

549137079 is a deficient number, since it is larger than the sum of its proper divisors (252239497).

549137079 is a wasteful number, since it uses less digits than its factorization.

549137079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 629126 (or 629123 counting only the distinct ones).

The product of its (nonzero) digits is 238140, while the sum is 45.

The square root of 549137079 is about 23433.6740397233. The cubic root of 549137079 is about 818.8925556877.

The spelling of 549137079 in words is "five hundred forty-nine million, one hundred thirty-seven thousand, seventy-nine".