549229660 has 48 divisors (see below), whose sum is σ = 1321721856. Its totient is φ = 187797312.

The previous prime is 549229657. The next prime is 549229663. The reversal of 549229660 is 66922945.

It is an interprime number because it is at equal distance from previous prime (549229657) and next prime (549229663).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (549229663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48499 + ... + 58741.

It is an arithmetic number, because the mean of its divisors is an integer number (27535872).

Almost surely, 2^549229660 is an apocalyptic number.

It is an amenable number.

549229660 is an abundant number, since it is smaller than the sum of its proper divisors (772492196).

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

549229660 is a wasteful number, since it uses less digits than its factorization.

549229660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10642 (or 10640 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 43.

The square root of 549229660 is about 23435.6493402679. The cubic root of 549229660 is about 818.9385731179.

The spelling of 549229660 in words is "five hundred forty-nine million, two hundred twenty-nine thousand, six hundred sixty".