53003871 has 6 divisors (see below), whose sum is σ = 76561160. Its totient is φ = 35335908.

The previous prime is 53003803. The next prime is 53003879. The reversal of 53003871 is 17830035.

It is not a de Polignac number, because 53003871 - 2¹⁸ = 52741727 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 (53003879) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2944651 + ... + 2944668.

Almost surely, 2^53003871 is an apocalyptic number.

53003871 is a deficient number, since it is larger than the sum of its proper divisors (23557289).

53003871 is a wasteful number, since it uses less digits than its factorization.

53003871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5889325 (or 5889322 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 53003871 is about 7280.3757457977. The cubic root of 53003871 is about 375.6377202197.

The spelling of 53003871 in words is "fifty-three million, three thousand, eight hundred seventy-one".