51795072 has 128 divisors (see below), whose sum is σ = 174787200. Its totient is φ = 14791680.

The previous prime is 51795067. The next prime is 51795101. The reversal of 51795072 is 27059715.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23122 + ... + 25262.

It is an arithmetic number, because the mean of its divisors is an integer number (1365525).

Almost surely, 2^51795072 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51795072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87393600).

51795072 is an abundant number, since it is smaller than the sum of its proper divisors (122992128).

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

51795072 is a wasteful number, since it uses less digits than its factorization.

51795072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2171 (or 2153 counting only the distinct ones).

The product of its (nonzero) digits is 22050, while the sum is 36.

The square root of 51795072 is about 7196.8793237069. The cubic root of 51795072 is about 372.7601521876.

The spelling of 51795072 in words is "fifty-one million, seven hundred ninety-five thousand, seventy-two".