53066404 has 12 divisors (see below), whose sum is σ = 96068700. Its totient is φ = 25618208.

The previous prime is 53066381. The next prime is 53066413. The reversal of 53066404 is 40466035.

53066404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 33085504 + 19980900 = 5752^2 + 4470^2 .

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 3 ways as a sum of consecutive naturals, for example, 228619 + ... + 228850.

It is an arithmetic number, because the mean of its divisors is an integer number (8005725).

Almost surely, 2^53066404 is an apocalyptic number.

It is an amenable number.

53066404 is a deficient number, since it is larger than the sum of its proper divisors (43002296).

53066404 is a wasteful number, since it uses less digits than its factorization.

53066404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457502 (or 457500 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 53066404 is about 7284.6691071043. The cubic root of 53066404 is about 375.7853856736.

The spelling of 53066404 in words is "fifty-three million, sixty-six thousand, four hundred four".