17980552 has 8 divisors (see below), whose sum is σ = 33713550. Its totient is φ = 8990272.

The previous prime is 17980519. The next prime is 17980553. The reversal of 17980552 is 25508971.

It can be written as a sum of positive squares in only one way, i.e., 10329796 + 7650756 = 3214^2 + 2766^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (17980553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1123777 + ... + 1123792.

Almost surely, 2^17980552 is an apocalyptic number.

It is an amenable number.

17980552 is a deficient number, since it is larger than the sum of its proper divisors (15732998).

17980552 is a wasteful number, since it uses less digits than its factorization.

17980552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2247575 (or 2247571 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 37.

The square root of 17980552 is about 4240.3480989183. The cubic root of 17980552 is about 261.9797198917.

The spelling of 17980552 in words is "seventeen million, nine hundred eighty thousand, five hundred fifty-two".