545222784 has 64 divisors (see below), whose sum is σ = 1524492000. Its totient is φ = 172173312.

The previous prime is 545222779. The next prime is 545222831. The reversal of 545222784 is 487222545.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

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, 30069 + ... + 44660.

Almost surely, 2^545222784 is an apocalyptic number.

It is an amenable number.

545222784 is an abundant number, since it is smaller than the sum of its proper divisors (979269216).

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

545222784 is a wasteful number, since it uses less digits than its factorization.

545222784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74765 (or 74753 counting only the distinct ones).

The product of its digits is 179200, while the sum is 39.

The square root of 545222784 is about 23350.0060813697. The cubic root of 545222784 is about 816.9422026992.

The spelling of 545222784 in words is "five hundred forty-five million, two hundred twenty-two thousand, seven hundred eighty-four".