51334765 has 8 divisors (see below), whose sum is σ = 62212248. Its totient is φ = 40660800.

The previous prime is 51334741. The next prime is 51334783. The reversal of 51334765 is 56743315.

It can be written as a sum of positive squares in 4 ways, for example, as 33246756 + 18088009 = 5766^2 + 4253^2 .

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

It is not a de Polignac number, because 51334765 - 2⁹ = 51334253 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51334765.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50322 + ... + 51331.

It is an arithmetic number, because the mean of its divisors is an integer number (7776531).

Almost surely, 2^51334765 is an apocalyptic number.

It is an amenable number.

51334765 is a deficient number, since it is larger than the sum of its proper divisors (10877483).

51334765 is a wasteful number, since it uses less digits than its factorization.

51334765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101759.

The product of its digits is 37800, while the sum is 34.

The square root of 51334765 is about 7164.8283301137. The cubic root of 51334765 is about 371.6526148664.

The spelling of 51334765 in words is "fifty-one million, three hundred thirty-four thousand, seven hundred sixty-five".