549749532 has 24 divisors (see below), whose sum is σ = 1285532416. Its totient is φ = 182852208.

The previous prime is 549749527. The next prime is 549749533. The reversal of 549749532 is 235947945.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (549749533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43918 + ... + 55029.

Almost surely, 2^549749532 is an apocalyptic number.

It is an amenable number.

549749532 is an abundant number, since it is smaller than the sum of its proper divisors (735782884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

549749532 is a wasteful number, since it uses less digits than its factorization.

549749532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99417 (or 99415 counting only the distinct ones).

The product of its digits is 1360800, while the sum is 48.

The square root of 549749532 is about 23446.7381953226. The cubic root of 549749532 is about 819.1968797406.

The spelling of 549749532 in words is "five hundred forty-nine million, seven hundred forty-nine thousand, five hundred thirty-two".