51938358 has 8 divisors (see below), whose sum is σ = 103876728. Its totient is φ = 17312784.

The previous prime is 51938351. The next prime is 51938363. The reversal of 51938358 is 85383915.

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

51938358 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51938351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4328191 + ... + 4328202.

It is an arithmetic number, because the mean of its divisors is an integer number (12984591).

Almost surely, 2^51938358 is an apocalyptic number.

51938358 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

51938358 is a wasteful number, since it uses less digits than its factorization.

51938358 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8656398.

The product of its digits is 129600, while the sum is 42.

The square root of 51938358 is about 7206.8271798344. The cubic root of 51938358 is about 373.1035705365.

The spelling of 51938358 in words is "fifty-one million, nine hundred thirty-eight thousand, three hundred fifty-eight".