51049722 has 8 divisors (see below), whose sum is σ = 102099456. Its totient is φ = 17016572.

The previous prime is 51049711. The next prime is 51049723. The reversal of 51049722 is 22794015.

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

51049722 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 51049722.

It is not an unprimeable number, because it can be changed into a prime (51049723) 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, 4254138 + ... + 4254149.

It is an arithmetic number, because the mean of its divisors is an integer number (12762432).

Almost surely, 2^51049722 is an apocalyptic number.

51049722 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.

51049722 is a wasteful number, since it uses less digits than its factorization.

51049722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8508292.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 51049722 is about 7144.9088167730. The cubic root of 51049722 is about 370.9634544783.

The spelling of 51049722 in words is "fifty-one million, forty-nine thousand, seven hundred twenty-two".