545884015 has 4 divisors (see below), whose sum is σ = 655060824. Its totient is φ = 436707208.

The previous prime is 545884013. The next prime is 545884033. The reversal of 545884015 is 510488545.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 545884015 - 2¹ = 545884013 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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 (545884013) 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, 54588397 + ... + 54588406.

It is an arithmetic number, because the mean of its divisors is an integer number (163765206).

Almost surely, 2^545884015 is an apocalyptic number.

545884015 is a deficient number, since it is larger than the sum of its proper divisors (109176809).

545884015 is a wasteful number, since it uses less digits than its factorization.

545884015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109176808.

The product of its (nonzero) digits is 128000, while the sum is 40.

The square root of 545884015 is about 23364.1609093928. The cubic root of 545884015 is about 817.2723241944.

The spelling of 545884015 in words is "five hundred forty-five million, eight hundred eighty-four thousand, fifteen".