545631927 has 4 divisors (see below), whose sum is σ = 727509240. Its totient is φ = 363754616.

The previous prime is 545631923. The next prime is 545631937. The reversal of 545631927 is 729136545.

545631927 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 545631927 - 2² = 545631923 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545631923) 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, 90938652 + ... + 90938657.

It is an arithmetic number, because the mean of its divisors is an integer number (181877310).

Almost surely, 2^545631927 is an apocalyptic number.

545631927 is a deficient number, since it is larger than the sum of its proper divisors (181877313).

545631927 is a wasteful number, since it uses less digits than its factorization.

545631927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181877312.

The product of its digits is 226800, while the sum is 42.

The square root of 545631927 is about 23358.7655281695. The cubic root of 545631927 is about 817.1464999887.

The spelling of 545631927 in words is "five hundred forty-five million, six hundred thirty-one thousand, nine hundred twenty-seven".