545723904 has 80 divisors (see below), whose sum is σ = 1586059200. Its totient is φ = 165365760.

The previous prime is 545723891. The next prime is 545723929. The reversal of 545723904 is 409327545.

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, 747 + ... + 33045.

It is an arithmetic number, because the mean of its divisors is an integer number (19825740).

Almost surely, 2^545723904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 545723904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (793029600).

545723904 is an abundant number, since it is smaller than the sum of its proper divisors (1040335296).

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

545723904 is a wasteful number, since it uses less digits than its factorization.

545723904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32331 (or 32315 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 39.

The square root of 545723904 is about 23360.7342350364. The cubic root of 545723904 is about 817.1924127840.

The spelling of 545723904 in words is "five hundred forty-five million, seven hundred twenty-three thousand, nine hundred four".