16055543 has 4 divisors (see below), whose sum is σ = 18349200. Its totient is φ = 13761888.

The previous prime is 16055539. The next prime is 16055573. The reversal of 16055543 is 34555061.

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

It is not a de Polignac number, because 16055543 - 2² = 16055539 is a prime.

It is a super-2 number, since 2×16055543² = 515560922049698, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16055503) 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, 1146818 + ... + 1146831.

It is an arithmetic number, because the mean of its divisors is an integer number (4587300).

Almost surely, 2^16055543 is an apocalyptic number.

16055543 is a deficient number, since it is larger than the sum of its proper divisors (2293657).

16055543 is an equidigital number, since it uses as much as digits as its factorization.

16055543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2293656.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 16055543 is about 4006.9368599967. The cubic root of 16055543 is about 252.2754557034.

The spelling of 16055543 in words is "sixteen million, fifty-five thousand, five hundred forty-three".