549199872 has 224 divisors, whose sum is σ = 1761500160. Its totient is φ = 168099840.

The previous prime is 549199837. The next prime is 549199901. The reversal of 549199872 is 278991945.

549199872 is a `hidden beast` number, since 549 + 1 + 9 + 98 + 7 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2875297 + ... + 2875487.

It is an arithmetic number, because the mean of its divisors is an integer number (7863840).

Almost surely, 2^549199872 is an apocalyptic number.

549199872 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 549199872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (880750080).

549199872 is an abundant number, since it is smaller than the sum of its proper divisors (1212300288).

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

549199872 is a wasteful number, since it uses less digits than its factorization.

549199872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239 (or 209 counting only the distinct ones).

The product of its digits is 1632960, while the sum is 54.

The square root of 549199872 is about 23435.0138041350. The cubic root of 549199872 is about 818.9237675426.

It can be divided in two parts, 54 and 9199872, that multiplied together give a cube (496793088 = 792³).

The spelling of 549199872 in words is "five hundred forty-nine million, one hundred ninety-nine thousand, eight hundred seventy-two".