51706274 has 4 divisors (see below), whose sum is σ = 77559414. Its totient is φ = 25853136.

The previous prime is 51706267. The next prime is 51706297. The reversal of 51706274 is 47260715.

51706274 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 47260715 = 5 ⋅9452143.

It can be written as a sum of positive squares in only one way, i.e., 49098049 + 2608225 = 7007^2 + 1615^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 51706274.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12926567 + ... + 12926570.

Almost surely, 2^51706274 is an apocalyptic number.

51706274 is a deficient number, since it is larger than the sum of its proper divisors (25853140).

51706274 is a wasteful number, since it uses less digits than its factorization.

51706274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25853139.

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 51706274 is about 7190.7074756244. The cubic root of 51706274 is about 372.5470090666.

Adding to 51706274 its reverse (47260715), we get a palindrome (98966989).

The spelling of 51706274 in words is "fifty-one million, seven hundred six thousand, two hundred seventy-four".