53904717 has 8 divisors (see below), whose sum is σ = 79858880. Its totient is φ = 35936460.

The previous prime is 53904703. The next prime is 53904727. The reversal of 53904717 is 71740935.

It is a happy number.

53904717 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 53904717 - 2¹⁸ = 53642573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53904727) by changing a digit.

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, 998209 + ... + 998262.

It is an arithmetic number, because the mean of its divisors is an integer number (9982360).

Almost surely, 2^53904717 is an apocalyptic number.

It is an amenable number.

53904717 is a deficient number, since it is larger than the sum of its proper divisors (25954163).

53904717 is a wasteful number, since it uses less digits than its factorization.

53904717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1996480 (or 1996474 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 36.

The square root of 53904717 is about 7341.9831789510. The cubic root of 53904717 is about 377.7538710137.

The spelling of 53904717 in words is "fifty-three million, nine hundred four thousand, seven hundred seventeen".