549457944 has 32 divisors (see below), whose sum is σ = 1569880320. Its totient is φ = 156987936.

The previous prime is 549457921. The next prime is 549457957. The reversal of 549457944 is 449754945.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1635124 + ... + 1635459.

It is an arithmetic number, because the mean of its divisors is an integer number (49058760).

Almost surely, 2^549457944 is an apocalyptic number.

It is an amenable number.

549457944 is an abundant number, since it is smaller than the sum of its proper divisors (1020422376).

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

549457944 is a wasteful number, since it uses less digits than its factorization.

549457944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3270599 (or 3270595 counting only the distinct ones).

The product of its digits is 3628800, while the sum is 51.

The square root of 549457944 is about 23440.5192775245. The cubic root of 549457944 is about 819.0520196966.

The spelling of 549457944 in words is "five hundred forty-nine million, four hundred fifty-seven thousand, nine hundred forty-four".