549497544 has 16 divisors (see below), whose sum is σ = 1373743920. Its totient is φ = 183165840.

The previous prime is 549497527. The next prime is 549497549. The reversal of 549497544 is 445794945.

It is not an unprimeable number, because it can be changed into a prime (549497549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11447842 + ... + 11447889.

It is an arithmetic number, because the mean of its divisors is an integer number (85858995).

Almost surely, 2^549497544 is an apocalyptic number.

It is an amenable number.

549497544 is an abundant number, since it is smaller than the sum of its proper divisors (824246376).

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

549497544 is a wasteful number, since it uses less digits than its factorization.

549497544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22895740 (or 22895736 counting only the distinct ones).

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

The square root of 549497544 is about 23441.3639534904. The cubic root of 549497544 is about 819.0716958648.

The spelling of 549497544 in words is "five hundred forty-nine million, four hundred ninety-seven thousand, five hundred forty-four".