545523648 has 56 divisors (see below), whose sum is σ = 1464941952. Its totient is φ = 179122944.

The previous prime is 545523593. The next prime is 545523653. The reversal of 545523648 is 846325545.

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, 8340 + ... + 34067.

Almost surely, 2^545523648 is an apocalyptic number.

It is an amenable number.

545523648 is an abundant number, since it is smaller than the sum of its proper divisors (919418304).

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

545523648 is a wasteful number, since it uses less digits than its factorization.

545523648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42489 (or 42479 counting only the distinct ones).

The product of its digits is 576000, while the sum is 42.

The square root of 545523648 is about 23356.4476751068. The cubic root of 545523648 is about 817.0924429984.

The spelling of 545523648 in words is "five hundred forty-five million, five hundred twenty-three thousand, six hundred forty-eight".