16545055 has 4 divisors (see below), whose sum is σ = 19854072. Its totient is φ = 13236040.

The previous prime is 16545013. The next prime is 16545071. The reversal of 16545055 is 55054561.

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

It is not a de Polignac number, because 16545055 - 2²¹ = 14447903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1654501 + ... + 1654510.

It is an arithmetic number, because the mean of its divisors is an integer number (4963518).

Almost surely, 2^16545055 is an apocalyptic number.

16545055 is a deficient number, since it is larger than the sum of its proper divisors (3309017).

16545055 is an equidigital number, since it uses as much as digits as its factorization.

16545055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3309016.

The product of its (nonzero) digits is 15000, while the sum is 31.

The square root of 16545055 is about 4067.5613086959. The cubic root of 16545055 is about 254.8136790933.

The spelling of 16545055 in words is "sixteen million, five hundred forty-five thousand, fifty-five".