545183904 has 48 divisors (see below), whose sum is σ = 1493335872. Its totient is φ = 173826048.

The previous prime is 545183869. The next prime is 545183911. The reversal of 545183904 is 409381545.

It is a tau number, because it is divible by the number of its divisors (48).

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 in 7 ways as a sum of consecutive naturals, for example, 121249 + ... + 125664.

It is an arithmetic number, because the mean of its divisors is an integer number (31111164).

Almost surely, 2^545183904 is an apocalyptic number.

It is an amenable number.

545183904 is an abundant number, since it is smaller than the sum of its proper divisors (948151968).

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

545183904 is a wasteful number, since it uses less digits than its factorization.

545183904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246949 (or 246941 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 39.

The square root of 545183904 is about 23349.1735185638. The cubic root of 545183904 is about 816.9227834399.

The spelling of 545183904 in words is "five hundred forty-five million, one hundred eighty-three thousand, nine hundred four".