545251353264 has 60 divisors (see below), whose sum is σ = 1526282460976. Its totient is φ = 181710435456.

The previous prime is 545251353209. The next prime is 545251353307. The reversal of 545251353264 is 462353152545.

545251353264 is a `hidden beast` number, since 5 + 4 + 5 + 2 + 51 + 3 + 532 + 64 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 243102 + ... + 1072194.

Almost surely, 2^545251353264 is an apocalyptic number.

It is an amenable number.

545251353264 is an abundant number, since it is smaller than the sum of its proper divisors (981031107712).

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

545251353264 is a wasteful number, since it uses less digits than its factorization.

545251353264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 833674 (or 833665 counting only the distinct ones).

The product of its digits is 2160000, while the sum is 45.

The spelling of 545251353264 in words is "five hundred forty-five billion, two hundred fifty-one million, three hundred fifty-three thousand, two hundred sixty-four".