51294244 has 9 divisors (see below), whose sum is σ = 89790001. Its totient is φ = 25639960.

The previous prime is 51294241. The next prime is 51294263. The reversal of 51294244 is 44249215.

The square root of 51294244 is 7162.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 45724644 + 5569600 = 6762^2 + 2360^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51294241) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 12534 + ... + 16114.

Almost surely, 2^51294244 is an apocalyptic number.

51294244 is the 7162-nd square number.

It is an amenable number.

51294244 is a deficient number, since it is larger than the sum of its proper divisors (38495757).

51294244 is an frugal number, since it uses more digits than its factorization.

51294244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7166 (or 3583 counting only the distinct ones).

The product of its digits is 11520, while the sum is 31.

The cubic root of 51294244 is about 371.5548013619.

The spelling of 51294244 in words is "fifty-one million, two hundred ninety-four thousand, two hundred forty-four".