801555 has 8 divisors (see below), whose sum is σ = 1282512. Its totient is φ = 427488.

The previous prime is 801551. The next prime is 801557. The reversal of 801555 is 555108.

801555 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 801555 - 2² = 801551 is a prime.

It is not an unprimeable number, because it can be changed into a prime (801551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26704 + ... + 26733.

It is an arithmetic number, because the mean of its divisors is an integer number (160314).

2⁸⁰¹⁵⁵⁵ is an apocalyptic number.

801555 is a deficient number, since it is larger than the sum of its proper divisors (480957).

801555 is a wasteful number, since it uses less digits than its factorization.

801555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53445.

The product of its (nonzero) digits is 1000, while the sum is 24.

The square root of 801555 is about 895.2960404246. The cubic root of 801555 is about 92.8918849992.

The spelling of 801555 in words is "eight hundred one thousand, five hundred fifty-five".