8055921 has 16 divisors (see below), whose sum is σ = 11081664. Its totient is φ = 5202624.

The previous prime is 8055917. The next prime is 8055937. The reversal of 8055921 is 1295508.

It is not a de Polignac number, because 8055921 - 2² = 8055917 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8055961) 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, 25255 + ... + 25571.

It is an arithmetic number, because the mean of its divisors is an integer number (692604).

Almost surely, 2^8055921 is an apocalyptic number.

It is an amenable number.

8055921 is a deficient number, since it is larger than the sum of its proper divisors (3025743).

8055921 is a wasteful number, since it uses less digits than its factorization.

8055921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560.

The product of its (nonzero) digits is 3600, while the sum is 30.

The square root of 8055921 is about 2838.2954391677. The cubic root of 8055921 is about 200.4649267116.

The spelling of 8055921 in words is "eight million, fifty-five thousand, nine hundred twenty-one".