51033272 has 16 divisors (see below), whose sum is σ = 98987400. Its totient is φ = 24636640.

The previous prime is 51033247. The next prime is 51033313. The reversal of 51033272 is 27233015.

It is a congruent number.

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, 109754 + ... + 110217.

Almost surely, 2^51033272 is an apocalyptic number.

It is an amenable number.

51033272 is a deficient number, since it is larger than the sum of its proper divisors (47954128).

51033272 is a wasteful number, since it uses less digits than its factorization.

51033272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220006 (or 220002 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 51033272 is about 7143.7575546767. The cubic root of 51033272 is about 370.9236044121.

Adding to 51033272 its reverse (27233015), we get a palindrome (78266287).

The spelling of 51033272 in words is "fifty-one million, thirty-three thousand, two hundred seventy-two".