549529572 has 24 divisors (see below), whose sum is σ = 1282863456. Its totient is φ = 183086848.

The previous prime is 549529559. The next prime is 549529577. The reversal of 549529572 is 275925945.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (549529577) 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, 17203 + ... + 37349.

It is an arithmetic number, because the mean of its divisors is an integer number (53452644).

Almost surely, 2^549529572 is an apocalyptic number.

It is an amenable number.

549529572 is an abundant number, since it is smaller than the sum of its proper divisors (733333884).

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

549529572 is a wasteful number, since it uses less digits than its factorization.

549529572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22427 (or 22425 counting only the distinct ones).

The product of its digits is 1134000, while the sum is 48.

The square root of 549529572 is about 23442.0470949105. The cubic root of 549529572 is about 819.0876090197.

The spelling of 549529572 in words is "five hundred forty-nine million, five hundred twenty-nine thousand, five hundred seventy-two".