51347330 has 8 divisors (see below), whose sum is σ = 92425212. Its totient is φ = 20538928.

The previous prime is 51347297. The next prime is 51347341. The reversal of 51347330 is 3374315.

It can be written as a sum of positive squares in 2 ways, for example, as 49716601 + 1630729 = 7051^2 + 1277^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 51347330.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2567357 + ... + 2567376.

Almost surely, 2^51347330 is an apocalyptic number.

51347330 is a deficient number, since it is larger than the sum of its proper divisors (41077882).

51347330 is a wasteful number, since it uses less digits than its factorization.

51347330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5134740.

The product of its (nonzero) digits is 3780, while the sum is 26.

The square root of 51347330 is about 7165.7051292947. The cubic root of 51347330 is about 371.6829350218.

The spelling of 51347330 in words is "fifty-one million, three hundred forty-seven thousand, three hundred thirty".