545121264 has 20 divisors (see below), whose sum is σ = 1408230056. Its totient is φ = 181707072.

The previous prime is 545121263. The next prime is 545121287. The reversal of 545121264 is 462121545.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545121263) 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, 5678299 + ... + 5678394.

Almost surely, 2^545121264 is an apocalyptic number.

It is an amenable number.

545121264 is an abundant number, since it is smaller than the sum of its proper divisors (863108792).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

545121264 is a wasteful number, since it uses less digits than its factorization.

545121264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11356704 (or 11356698 counting only the distinct ones).

The product of its digits is 9600, while the sum is 30.

The square root of 545121264 is about 23347.8321049300. The cubic root of 545121264 is about 816.8914949134.

The spelling of 545121264 in words is "five hundred forty-five million, one hundred twenty-one thousand, two hundred sixty-four".