51712274 has 4 divisors (see below), whose sum is σ = 77568414. Its totient is φ = 25856136.

The previous prime is 51712231. The next prime is 51712279. The reversal of 51712274 is 47221715.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 38353249 + 13359025 = 6193^2 + 3655^2 .

It is not an unprimeable number, because it can be changed into a prime (51712279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12928067 + ... + 12928070.

Almost surely, 2^51712274 is an apocalyptic number.

51712274 is a deficient number, since it is larger than the sum of its proper divisors (25856140).

51712274 is a wasteful number, since it uses less digits than its factorization.

51712274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25856139.

The product of its digits is 3920, while the sum is 29.

The square root of 51712274 is about 7191.1246686454. The cubic root of 51712274 is about 372.5614186371.

Adding to 51712274 its reverse (47221715), we get a palindrome (98933989).

The spelling of 51712274 in words is "fifty-one million, seven hundred twelve thousand, two hundred seventy-four".