51838086 has 16 divisors (see below), whose sum is σ = 105882624. Its totient is φ = 16911624.

The previous prime is 51838069. The next prime is 51838093. The reversal of 51838086 is 68083815.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91630 + ... + 92193.

It is an arithmetic number, because the mean of its divisors is an integer number (6617664).

Almost surely, 2^51838086 is an apocalyptic number.

51838086 is an abundant number, since it is smaller than the sum of its proper divisors (54044538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51838086 is a wasteful number, since it uses less digits than its factorization.

51838086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183875.

The product of its (nonzero) digits is 46080, while the sum is 39.

The square root of 51838086 is about 7199.8670821064. The cubic root of 51838086 is about 372.8633117359.

The spelling of 51838086 in words is "fifty-one million, eight hundred thirty-eight thousand, eighty-six".