53871373 has 4 divisors (see below), whose sum is σ = 54887868. Its totient is φ = 52854880.

The previous prime is 53871347. The next prime is 53871379. The reversal of 53871373 is 37317835.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 37317835 = 5 ⋅7463567.

It can be written as a sum of positive squares in 2 ways, for example, as 17413929 + 36457444 = 4173^2 + 6038^2 .

It is a cyclic number.

It is not a de Polignac number, because 53871373 - 2¹³ = 53863181 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 (53871379) 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 3 ways as a sum of consecutive naturals, for example, 508168 + ... + 508273.

It is an arithmetic number, because the mean of its divisors is an integer number (13721967).

Almost surely, 2^53871373 is an apocalyptic number.

53871373 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

It is an amenable number.

53871373 is a deficient number, since it is larger than the sum of its proper divisors (1016495).

53871373 is a wasteful number, since it uses less digits than its factorization.

53871373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1016494.

The product of its digits is 52920, while the sum is 37.

The square root of 53871373 is about 7339.7120515726. The cubic root of 53871373 is about 377.6759655056.

The spelling of 53871373 in words is "fifty-three million, eight hundred seventy-one thousand, three hundred seventy-three".