53871355 has 4 divisors (see below), whose sum is σ = 64645632. Its totient is φ = 43097080.

The previous prime is 53871347. The next prime is 53871379. The reversal of 53871355 is 55317835.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 53871355 - 2³ = 53871347 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5387131 + ... + 5387140.

It is an arithmetic number, because the mean of its divisors is an integer number (16161408).

Almost surely, 2^53871355 is an apocalyptic number.

53871355 is a deficient number, since it is larger than the sum of its proper divisors (10774277).

53871355 is a wasteful number, since it uses less digits than its factorization.

53871355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10774276.

The product of its digits is 63000, while the sum is 37.

The square root of 53871355 is about 7339.7108253664. The cubic root of 53871355 is about 377.6759234414.

The spelling of 53871355 in words is "fifty-three million, eight hundred seventy-one thousand, three hundred fifty-five".