545289772 has 24 divisors (see below), whose sum is σ = 966848400. Its totient is φ = 269071296.

The previous prime is 545289763. The next prime is 545289781. The reversal of 545289772 is 277982545.

It is an interprime number because it is at equal distance from previous prime (545289763) and next prime (545289781).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93354 + ... + 99022.

It is an arithmetic number, because the mean of its divisors is an integer number (40285350).

Almost surely, 2^545289772 is an apocalyptic number.

It is an amenable number.

545289772 is a deficient number, since it is larger than the sum of its proper divisors (421558628).

545289772 is a wasteful number, since it uses less digits than its factorization.

545289772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5985 (or 5983 counting only the distinct ones).

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

The square root of 545289772 is about 23351.4404694871. The cubic root of 545289772 is about 816.9756587988.

The spelling of 545289772 in words is "five hundred forty-five million, two hundred eighty-nine thousand, seven hundred seventy-two".