51493276 has 6 divisors (see below), whose sum is σ = 90113240. Its totient is φ = 25746636.

The previous prime is 51493271. The next prime is 51493279. The reversal of 51493276 is 67239415.

51493276 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51493271) by changing a digit.

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, 6436656 + ... + 6436663.

Almost surely, 2^51493276 is an apocalyptic number.

It is an amenable number.

51493276 is a deficient number, since it is larger than the sum of its proper divisors (38619964).

51493276 is a wasteful number, since it uses less digits than its factorization.

51493276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12873323 (or 12873321 counting only the distinct ones).

The product of its digits is 45360, while the sum is 37.

The square root of 51493276 is about 7175.8815486322. The cubic root of 51493276 is about 372.0347502898.

The spelling of 51493276 in words is "fifty-one million, four hundred ninety-three thousand, two hundred seventy-six".