51116838 has 8 divisors (see below), whose sum is σ = 102233688. Its totient is φ = 17038944.

The previous prime is 51116837. The next prime is 51116881. The reversal of 51116838 is 83861115.

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

51116838 is an admirable number.

It is a super-2 number, since 2×51116838² = 5225862254236488, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51116799 and 51116808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51116837) 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, 4259731 + ... + 4259742.

It is an arithmetic number, because the mean of its divisors is an integer number (12779211).

Almost surely, 2^51116838 is an apocalyptic number.

51116838 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.

51116838 is a wasteful number, since it uses less digits than its factorization.

51116838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8519478.

The product of its digits is 5760, while the sum is 33.

The square root of 51116838 is about 7149.6040449804. The cubic root of 51116838 is about 371.1259540904.

The spelling of 51116838 in words is "fifty-one million, one hundred sixteen thousand, eight hundred thirty-eight".