545929938 has 24 divisors (see below), whose sum is σ = 1183700700. Its totient is φ = 181845504.

The previous prime is 545929921. The next prime is 545929939. The reversal of 545929938 is 839929545.

It is a happy number.

545929938 is a `hidden beast` number, since 545 + 9 + 2 + 9 + 93 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 544895649 + 1034289 = 23343^2 + 1017^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (545929939) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16618 + ... + 36986.

Almost surely, 2^545929938 is an apocalyptic number.

545929938 is an abundant number, since it is smaller than the sum of its proper divisors (637770762).

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

545929938 is a wasteful number, since it uses less digits than its factorization.

545929938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21866 (or 21863 counting only the distinct ones).

The product of its digits is 3499200, while the sum is 54.

The square root of 545929938 is about 23365.1436545980. The cubic root of 545929938 is about 817.2952414830.

The spelling of 545929938 in words is "five hundred forty-five million, nine hundred twenty-nine thousand, nine hundred thirty-eight".