545566127 has 4 divisors (see below), whose sum is σ = 554509896. Its totient is φ = 536622360.

The previous prime is 545566103. The next prime is 545566169. The reversal of 545566127 is 721665545.

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 545566127 - 2⁸ = 545565871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545566027) 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, 4471793 + ... + 4471914.

It is an arithmetic number, because the mean of its divisors is an integer number (138627474).

Almost surely, 2^545566127 is an apocalyptic number.

545566127 is a deficient number, since it is larger than the sum of its proper divisors (8943769).

545566127 is an equidigital number, since it uses as much as digits as its factorization.

545566127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8943768.

The product of its digits is 252000, while the sum is 41.

The square root of 545566127 is about 23357.3570208618. The cubic root of 545566127 is about 817.1136509816.

The spelling of 545566127 in words is "five hundred forty-five million, five hundred sixty-six thousand, one hundred twenty-seven".