549172190 has 16 divisors (see below), whose sum is σ = 1129725792. Its totient is φ = 188287584.

The previous prime is 549172189. The next prime is 549172201. The reversal of 549172190 is 91271945.

It is a super-2 number, since 2×549172190² = 603180188538792200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3922589 + ... + 3922728.

It is an arithmetic number, because the mean of its divisors is an integer number (70607862).

Almost surely, 2^549172190 is an apocalyptic number.

549172190 is an abundant number, since it is smaller than the sum of its proper divisors (580553602).

549172190 is a wasteful number, since it uses less digits than its factorization.

549172190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7845331.

The product of its (nonzero) digits is 22680, while the sum is 38.

The square root of 549172190 is about 23434.4231847084. The cubic root of 549172190 is about 818.9100082358.

The spelling of 549172190 in words is "five hundred forty-nine million, one hundred seventy-two thousand, one hundred ninety".