545822797 has 16 divisors (see below), whose sum is σ = 619702272. Its totient is φ = 477192960.

The previous prime is 545822777. The next prime is 545822807. The reversal of 545822797 is 797228545.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-545822797 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 545822797.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545822707) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4533 + ... + 33349.

It is an arithmetic number, because the mean of its divisors is an integer number (38731392).

Almost surely, 2^545822797 is an apocalyptic number.

It is an amenable number.

545822797 is a deficient number, since it is larger than the sum of its proper divisors (73879475).

545822797 is a wasteful number, since it uses less digits than its factorization.

545822797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28908.

The product of its digits is 1411200, while the sum is 49.

The square root of 545822797 is about 23362.8507892337. The cubic root of 545822797 is about 817.2417721319.

The spelling of 545822797 in words is "five hundred forty-five million, eight hundred twenty-two thousand, seven hundred ninety-seven".