545088671 has 4 divisors (see below), whose sum is σ = 545160144. Its totient is φ = 545017200.

The previous prime is 545088647. The next prime is 545088673. The reversal of 545088671 is 176880545.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 176880545 = 5 ⋅35376109.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-545088671 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 (545088673) 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, 22715 + ... + 40076.

It is an arithmetic number, because the mean of its divisors is an integer number (136290036).

Almost surely, 2^545088671 is an apocalyptic number.

545088671 is a deficient number, since it is larger than the sum of its proper divisors (71473).

545088671 is an equidigital number, since it uses as much as digits as its factorization.

545088671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71472.

The product of its (nonzero) digits is 268800, while the sum is 44.

The square root of 545088671 is about 23347.1341067806. The cubic root of 545088671 is about 816.8752138417.

The spelling of 545088671 in words is "five hundred forty-five million, eighty-eight thousand, six hundred seventy-one".