51838371 has 12 divisors (see below), whose sum is σ = 80637648. Its totient is φ = 31900464.

The previous prime is 51838363. The next prime is 51838373. The reversal of 51838371 is 17383815.

51838371 is nontrivially palindromic in base 2.

It is not a de Polignac number, because 51838371 - 2³ = 51838363 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51838373) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 221415 + ... + 221648.

It is an arithmetic number, because the mean of its divisors is an integer number (6719804).

Almost surely, 2^51838371 is an apocalyptic number.

51838371 is a deficient number, since it is larger than the sum of its proper divisors (28799277).

51838371 is a wasteful number, since it uses less digits than its factorization.

51838371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443082 (or 443079 counting only the distinct ones).

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

The square root of 51838371 is about 7199.8868741113. The cubic root of 51838371 is about 372.8639950549.

The spelling of 51838371 in words is "fifty-one million, eight hundred thirty-eight thousand, three hundred seventy-one".