51859238 has 8 divisors (see below), whose sum is σ = 77820960. Its totient is φ = 25918920.

The previous prime is 51859193. The next prime is 51859253. The reversal of 51859238 is 83295815.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 51859195 and 51859204.

It is a congruent 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, 3923 + ... + 10913.

It is an arithmetic number, because the mean of its divisors is an integer number (9727620).

Almost surely, 2^51859238 is an apocalyptic number.

51859238 is a deficient number, since it is larger than the sum of its proper divisors (25961722).

51859238 is a wasteful number, since it uses less digits than its factorization.

51859238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10702.

The product of its digits is 86400, while the sum is 41.

The square root of 51859238 is about 7201.3358482993. The cubic root of 51859238 is about 372.9140191913.

The spelling of 51859238 in words is "fifty-one million, eight hundred fifty-nine thousand, two hundred thirty-eight".