1055511 has 20 divisors (see below), whose sum is σ = 1605912. Its totient is φ = 690768.

The previous prime is 1055503. The next prime is 1055531. The reversal of 1055511 is 1155501.

It is not a de Polignac number, because 1055511 - 2³ = 1055503 is a prime.

It is a super-2 number, since 2×1055511² = 2228206942242, which contains 22 as substring.

1055511 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055501) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6645 + ... + 6801.

2^1055511 is an apocalyptic number.

1055511 is a deficient number, since it is larger than the sum of its proper divisors (550401).

1055511 is an equidigital number, since it uses as much as digits as its factorization.

1055511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252 (or 243 counting only the distinct ones).

The product of its (nonzero) digits is 125, while the sum is 18.

The square root of 1055511 is about 1027.3806500027. The cubic root of 1055511 is about 101.8171464461.

The spelling of 1055511 in words is "one million, fifty-five thousand, five hundred eleven".