51272799 has 8 divisors (see below), whose sum is σ = 72385200. Its totient is φ = 32171136.

The previous prime is 51272779. The next prime is 51272801. The reversal of 51272799 is 99727215.

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

It is not a de Polignac number, because 51272799 - 2⁷ = 51272671 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51272799.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51272759) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 502624 + ... + 502725.

It is an arithmetic number, because the mean of its divisors is an integer number (9048150).

Almost surely, 2^51272799 is an apocalyptic number.

51272799 is a deficient number, since it is larger than the sum of its proper divisors (21112401).

51272799 is a wasteful number, since it uses less digits than its factorization.

51272799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1005369.

The product of its digits is 79380, while the sum is 42.

The square root of 51272799 is about 7160.5027058161. The cubic root of 51272799 is about 371.5030145026.

The spelling of 51272799 in words is "fifty-one million, two hundred seventy-two thousand, seven hundred ninety-nine".