51033072 has 20 divisors (see below), whose sum is σ = 131835560. Its totient is φ = 17011008.

The previous prime is 51033061. The next prime is 51033091. The reversal of 51033072 is 27033015.

It is a happy number.

51033072 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 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 in 3 ways as a sum of consecutive naturals, for example, 531547 + ... + 531642.

It is an arithmetic number, because the mean of its divisors is an integer number (6591778).

Almost surely, 2^51033072 is an apocalyptic number.

It is an amenable number.

51033072 is an abundant number, since it is smaller than the sum of its proper divisors (80802488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51033072 is a wasteful number, since it uses less digits than its factorization.

51033072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1063200 (or 1063194 counting only the distinct ones).

The product of its (nonzero) digits is 630, while the sum is 21.

The square root of 51033072 is about 7143.7435564275. The cubic root of 51033072 is about 370.9231198601.

Adding to 51033072 its reverse (27033015), we get a palindrome (78066087).

The spelling of 51033072 in words is "fifty-one million, thirty-three thousand, seventy-two".