10990455 has 48 divisors (see below), whose sum is σ = 21559680. Its totient is φ = 4753728.

The previous prime is 10990423. The next prime is 10990457. The reversal of 10990455 is 55409901.

It is not a de Polignac number, because 10990455 - 2⁵ = 10990423 is a prime.

It is a super-2 number, since 2×10990455² = 241580202214050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10990457) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13572 + ... + 14358.

It is an arithmetic number, because the mean of its divisors is an integer number (449160).

Almost surely, 2^10990455 is an apocalyptic number.

10990455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

10990455 is a deficient number, since it is larger than the sum of its proper divisors (10569225).

10990455 is a wasteful number, since it uses less digits than its factorization.

10990455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 828 (or 821 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 33.

The square root of 10990455 is about 3315.1855151711. The cubic root of 10990455 is about 222.3336635026. Note that the first 3 decimals are identical.

The spelling of 10990455 in words is "ten million, nine hundred ninety thousand, four hundred fifty-five".