10555990 has 16 divisors (see below), whose sum is σ = 19051200. Its totient is φ = 4211200.

The previous prime is 10555973. The next prime is 10556003. The reversal of 10555990 is 9955501.

It is a super-2 number, since 2×10555990² = 222857849760200, 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, 3315 + ... + 5665.

It is an arithmetic number, because the mean of its divisors is an integer number (1190700).

Almost surely, 2^10555990 is an apocalyptic number.

10555990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10555990 is a deficient number, since it is larger than the sum of its proper divisors (8495210).

10555990 is a wasteful number, since it uses less digits than its factorization.

10555990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2807.

The product of its (nonzero) digits is 10125, while the sum is 34.

The square root of 10555990 is about 3248.9983071710. The cubic root of 10555990 is about 219.3644882856.

The spelling of 10555990 in words is "ten million, five hundred fifty-five thousand, nine hundred ninety".