545043992 has 8 divisors (see below), whose sum is σ = 1021957500. Its totient is φ = 272521992.

The previous prime is 545043979. The next prime is 545044001. The reversal of 545043992 is 299340545.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34065242 + ... + 34065257.

Almost surely, 2^545043992 is an apocalyptic number.

It is an amenable number.

545043992 is a deficient number, since it is larger than the sum of its proper divisors (476913508).

545043992 is a wasteful number, since it uses less digits than its factorization.

545043992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68130505 (or 68130501 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 41.

The square root of 545043992 is about 23346.1772459647. The cubic root of 545043992 is about 816.8528944364.

The spelling of 545043992 in words is "five hundred forty-five million, forty-three thousand, nine hundred ninety-two".