2055543 has 8 divisors (see below), whose sum is σ = 3132288. Its totient is φ = 1174584.

The previous prime is 2055541. The next prime is 2055551. The reversal of 2055543 is 3455502.

2055543 is nontrivially palindromic in base 8.

2055543 is an esthetic number in base 8, because in such base its adjacent digits differ by 1.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2055543 - 2¹ = 2055541 is a prime.

It is an Ulam number.

2055543 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2055541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48921 + ... + 48962.

It is an arithmetic number, because the mean of its divisors is an integer number (391536).

2^2055543 is an apocalyptic number.

2055543 is a deficient number, since it is larger than the sum of its proper divisors (1076745).

2055543 is an equidigital number, since it uses as much as digits as its factorization.

2055543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97893.

The product of its (nonzero) digits is 3000, while the sum is 24.

The square root of 2055543 is about 1433.7164991727. The cubic root of 2055543 is about 127.1478015523.

The spelling of 2055543 in words is "two million, fifty-five thousand, five hundred forty-three".