5509172 has 6 divisors (see below), whose sum is σ = 9641058. Its totient is φ = 2754584.

The previous prime is 5509151. The next prime is 5509177. The reversal of 5509172 is 2719055.

It can be written as a sum of positive squares in only one way, i.e., 4351396 + 1157776 = 2086^2 + 1076^2 .

It is a super-2 number, since 2×5509172² = 60701952251168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5509177) by changing a digit.

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 as a sum of consecutive naturals, namely, 688643 + ... + 688650.

It is an arithmetic number, because the mean of its divisors is an integer number (1606843).

Almost surely, 2^5509172 is an apocalyptic number.

It is an amenable number.

5509172 is a deficient number, since it is larger than the sum of its proper divisors (4131886).

5509172 is a wasteful number, since it uses less digits than its factorization.

5509172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1377297 (or 1377295 counting only the distinct ones).

The product of its (nonzero) digits is 3150, while the sum is 29.

The square root of 5509172 is about 2347.1625423051. The cubic root of 5509172 is about 176.6154845604.

The spelling of 5509172 in words is "five million, five hundred nine thousand, one hundred seventy-two".