1055255 has 4 divisors (see below), whose sum is σ = 1266312. Its totient is φ = 844200.

The previous prime is 1055251. The next prime is 1055261. The reversal of 1055255 is 5525501.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1055255 - 2² = 1055251 is a prime.

It is a super-2 number, since 2×1055255² = 2227126230050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1055255.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105521 + ... + 105530.

It is an arithmetic number, because the mean of its divisors is an integer number (316578).

2^1055255 is an apocalyptic number.

1055255 is a deficient number, since it is larger than the sum of its proper divisors (211057).

1055255 is an equidigital number, since it uses as much as digits as its factorization.

1055255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211056.

The product of its (nonzero) digits is 1250, while the sum is 23.

The square root of 1055255 is about 1027.2560537665. The cubic root of 1055255 is about 101.8089143206.

It can be divided in two parts, 105 and 5255, that multiplied together give a triangular number (551775 = T₁₀₅₀).

The spelling of 1055255 in words is "one million, fifty-five thousand, two hundred fifty-five".