549087252 has 192 divisors, whose sum is σ = 1601617920. Its totient is φ = 143078400.

The previous prime is 549087223. The next prime is 549087271. The reversal of 549087252 is 252780945.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3950199 + ... + 3950337.

It is an arithmetic number, because the mean of its divisors is an integer number (8341760).

Almost surely, 2^549087252 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 549087252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (800808960).

549087252 is an abundant number, since it is smaller than the sum of its proper divisors (1052530668).

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

549087252 is a wasteful number, since it uses less digits than its factorization.

549087252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262 (or 260 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 42.

The square root of 549087252 is about 23432.6108660559. The cubic root of 549087252 is about 818.8677870127.

The spelling of 549087252 in words is "five hundred forty-nine million, eighty-seven thousand, two hundred fifty-two".