549508077 has 32 divisors (see below), whose sum is σ = 843448320. Its totient is φ = 353214000.

The previous prime is 549508073. The next prime is 549508079. The reversal of 549508077 is 770805945.

It is not a de Polignac number, because 549508077 - 2² = 549508073 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (549508073) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 259252 + ... + 261362.

It is an arithmetic number, because the mean of its divisors is an integer number (26357760).

Almost surely, 2^549508077 is an apocalyptic number.

It is an amenable number.

549508077 is a deficient number, since it is larger than the sum of its proper divisors (293940243).

549508077 is a wasteful number, since it uses less digits than its factorization.

549508077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2462 (or 2456 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 45.

The square root of 549508077 is about 23441.5886193748. The cubic root of 549508077 is about 819.0769292683.

The spelling of 549508077 in words is "five hundred forty-nine million, five hundred eight thousand, seventy-seven".