1053855 has 24 divisors (see below), whose sum is σ = 1993680. Its totient is φ = 510720.

The previous prime is 1053827. The next prime is 1053863. The reversal of 1053855 is 5583501.

It is not a de Polignac number, because 1053855 - 2⁷ = 1053727 is a prime.

It is a super-2 number, since 2×1053855² = 2221220722050, which contains 22 as substring.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 570 + ... + 1559.

It is an arithmetic number, because the mean of its divisors is an integer number (83070).

2^1053855 is an apocalyptic number.

1053855 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1053855 is a deficient number, since it is larger than the sum of its proper divisors (939825).

1053855 is a wasteful number, since it uses less digits than its factorization.

1053855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2151 (or 2148 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 1053855 is about 1026.5744006160. The cubic root of 1053855 is about 101.7638713187.

The spelling of 1053855 in words is "one million, fifty-three thousand, eight hundred fifty-five".