1055355 has 48 divisors (see below), whose sum is σ = 2123520. Its totient is φ = 437184.

The previous prime is 1055347. The next prime is 1055359. The reversal of 1055355 is 5535501.

It is not a de Polignac number, because 1055355 - 2³ = 1055347 is a prime.

It is a super-2 number, since 2×1055355² = 2227548352050, which contains 22 as substring.

1055355 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055359) 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, 45874 + ... + 45896.

It is an arithmetic number, because the mean of its divisors is an integer number (44240).

2^1055355 is an apocalyptic number.

1055355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1055355 is an abundant number, since it is smaller than the sum of its proper divisors (1068165).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1055355 is a wasteful number, since it uses less digits than its factorization.

1055355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80 (or 57 counting only the distinct ones).

The product of its (nonzero) digits is 1875, while the sum is 24.

The square root of 1055355 is about 1027.3047259699. The cubic root of 1055355 is about 101.8121301530.

It can be divided in two parts, 105 and 5355, that added together give a triangular number (5460 = T₁₀₄).

The spelling of 1055355 in words is "one million, fifty-five thousand, three hundred fifty-five".