1055541 has 4 divisors (see below), whose sum is σ = 1407392. Its totient is φ = 703692.

The previous prime is 1055531. The next prime is 1055543. The reversal of 1055541 is 1455501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1455501 = 3 ⋅485167.

It is not a de Polignac number, because 1055541 - 2⁷ = 1055413 is a prime.

It is a super-2 number, since 2×1055541² = 2228333605362, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055543) 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, 175921 + ... + 175926.

It is an arithmetic number, because the mean of its divisors is an integer number (351848).

2^1055541 is an apocalyptic number.

It is an amenable number.

1055541 is a deficient number, since it is larger than the sum of its proper divisors (351851).

1055541 is an equidigital number, since it uses as much as digits as its factorization.

1055541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351850.

The product of its (nonzero) digits is 500, while the sum is 21.

The square root of 1055541 is about 1027.3952501350. The cubic root of 1055541 is about 101.8181110611.

It can be divided in two parts, 1055 and 541, that added together give a triangular number (1596 = T₅₆).

The spelling of 1055541 in words is "one million, fifty-five thousand, five hundred forty-one".