549283020 has 96 divisors (see below), whose sum is σ = 1806900480. Its totient is φ = 122914560.

The previous prime is 549283013. The next prime is 549283081. The reversal of 549283020 is 20382945.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23430 + ... + 40589.

It is an arithmetic number, because the mean of its divisors is an integer number (18821880).

Almost surely, 2^549283020 is an apocalyptic number.

It is an amenable number.

549283020 is an abundant number, since it is smaller than the sum of its proper divisors (1257617460).

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

549283020 is a wasteful number, since it uses less digits than its factorization.

549283020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64055 (or 64053 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 549283020 is about 23436.7877491776. The cubic root of 549283020 is about 818.9650933821.

The spelling of 549283020 in words is "five hundred forty-nine million, two hundred eighty-three thousand, twenty".