53163903 has 16 divisors (see below), whose sum is σ = 76529376. Its totient is φ = 32634240.

The previous prime is 53163893. The next prime is 53163923. The reversal of 53163903 is 30936135.

It is not a de Polignac number, because 53163903 - 2⁵ = 53163871 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53163923) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16501 + ... + 19457.

It is an arithmetic number, because the mean of its divisors is an integer number (4783086).

Almost surely, 2^53163903 is an apocalyptic number.

53163903 is a deficient number, since it is larger than the sum of its proper divisors (23365473).

53163903 is a wasteful number, since it uses less digits than its factorization.

53163903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3434.

The product of its (nonzero) digits is 7290, while the sum is 30.

The square root of 53163903 is about 7291.3581039474. The cubic root of 53163903 is about 376.0153885923.

The spelling of 53163903 in words is "fifty-three million, one hundred sixty-three thousand, nine hundred three".