53831871 has 20 divisors (see below), whose sum is σ = 81064192. Its totient is φ = 35598528.

The previous prime is 53831861. The next prime is 53831881. The reversal of 53831871 is 17813835.

It is an interprime number because it is at equal distance from previous prime (53831861) and next prime (53831881).

It is not a de Polignac number, because 53831871 - 2⁹ = 53831359 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53831851) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 7671 + ... + 12903.

Almost surely, 2^53831871 is an apocalyptic number.

53831871 is a deficient number, since it is larger than the sum of its proper divisors (27232321).

53831871 is a wasteful number, since it uses less digits than its factorization.

53831871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5372 (or 5363 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The square root of 53831871 is about 7337.0205805899. The cubic root of 53831871 is about 377.5836307264.

The spelling of 53831871 in words is "fifty-three million, eight hundred thirty-one thousand, eight hundred seventy-one".