53903473 has 8 divisors (see below), whose sum is σ = 58703400. Its totient is φ = 49196928.

The previous prime is 53903471. The next prime is 53903483. The reversal of 53903473 is 37430935.

It can be written as a sum of positive squares in 4 ways, for example, as 3038049 + 50865424 = 1743^2 + 7132^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53903473 - 2¹ = 53903471 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53903471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22138 + ... + 24451.

It is an arithmetic number, because the mean of its divisors is an integer number (7337925).

Almost surely, 2^53903473 is an apocalyptic number.

It is an amenable number.

53903473 is a deficient number, since it is larger than the sum of its proper divisors (4799927).

53903473 is a wasteful number, since it uses less digits than its factorization.

53903473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46691.

The product of its (nonzero) digits is 34020, while the sum is 34.

The square root of 53903473 is about 7341.8984602077. The cubic root of 53903473 is about 377.7509650873.

The spelling of 53903473 in words is "fifty-three million, nine hundred three thousand, four hundred seventy-three".