545994432 has 70 divisors (see below), whose sum is σ = 1618513908. Its totient is φ = 181996416.

The previous prime is 545994419. The next prime is 545994433. The reversal of 545994432 is 234499545.

545994432 is a `hidden beast` number, since 54 + 599 + 4 + 4 + 3 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (545994433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 47478 + ... + 57845.

Almost surely, 2^545994432 is an apocalyptic number.

It is an amenable number.

545994432 is an abundant number, since it is smaller than the sum of its proper divisors (1072519476).

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

545994432 is a wasteful number, since it uses less digits than its factorization.

545994432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105347 (or 105328 counting only the distinct ones).

The product of its digits is 777600, while the sum is 45.

The square root of 545994432 is about 23366.5237465910. The cubic root of 545994432 is about 817.3274242230.

The spelling of 545994432 in words is "five hundred forty-five million, nine hundred ninety-four thousand, four hundred thirty-two".