549490350 has 48 divisors (see below), whose sum is σ = 1367233920. Its totient is φ = 146047200.

The previous prime is 549490349. The next prime is 549490351. The reversal of 549490350 is 53094945.

It is an interprime number because it is at equal distance from previous prime (549490349) and next prime (549490351).

It is a junction number, because it is equal to n+sod(n) for n = 549490299 and 549490308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (549490351) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40761 + ... + 52539.

It is an arithmetic number, because the mean of its divisors is an integer number (28484040).

Almost surely, 2^549490350 is an apocalyptic number.

549490350 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 549490350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (683616960).

549490350 is an abundant number, since it is smaller than the sum of its proper divisors (817743570).

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

549490350 is a wasteful number, since it uses less digits than its factorization.

549490350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12105 (or 12100 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 39.

The square root of 549490350 is about 23441.2105062857. The cubic root of 549490350 is about 819.0681214312.

The spelling of 549490350 in words is "five hundred forty-nine million, four hundred ninety thousand, three hundred fifty".