9980553 has 16 divisors (see below), whose sum is σ = 15019200. Its totient is φ = 5839680.

The previous prime is 9980539. The next prime is 9980599. The reversal of 9980553 is 3550899.

It is not a de Polignac number, because 9980553 - 2⁸ = 9980297 is a prime.

It is a super-2 number, since 2×9980553² = 199222876371618, which contains 22 as substring.

It is a Curzon number.

9980553 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (9980053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4258 + ... + 6171.

It is an arithmetic number, because the mean of its divisors is an integer number (938700).

Almost surely, 2^9980553 is an apocalyptic number.

It is an amenable number.

9980553 is a deficient number, since it is larger than the sum of its proper divisors (5038647).

9980553 is a wasteful number, since it uses less digits than its factorization.

9980553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10472.

The product of its (nonzero) digits is 48600, while the sum is 39.

The square root of 9980553 is about 3159.2013231195. The cubic root of 9980553 is about 215.3037207365.

The spelling of 9980553 in words is "nine million, nine hundred eighty thousand, five hundred fifty-three".