10998550 has 12 divisors (see below), whose sum is σ = 20457396. Its totient is φ = 4399400.

The previous prime is 10998523. The next prime is 10998551. The reversal of 10998550 is 5589901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10998551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 109936 + ... + 110035.

It is an arithmetic number, because the mean of its divisors is an integer number (1704783).

Almost surely, 2^10998550 is an apocalyptic number.

10998550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10998550 is a deficient number, since it is larger than the sum of its proper divisors (9458846).

10998550 is a wasteful number, since it uses less digits than its factorization.

10998550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219983 (or 219978 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 37.

The square root of 10998550 is about 3316.4061874264. The cubic root of 10998550 is about 222.3882365938.

The spelling of 10998550 in words is "ten million, nine hundred ninety-eight thousand, five hundred fifty".