51066633 has 8 divisors (see below), whose sum is σ = 68147200. Its totient is φ = 34015248.

The previous prime is 51066619. The next prime is 51066637. The reversal of 51066633 is 33666015.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 51066633 - 2⁹ = 51066121 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51066633.

It is not an unprimeable number, because it can be changed into a prime (51066637) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2818 + ... + 10491.

It is an arithmetic number, because the mean of its divisors is an integer number (8518400).

Almost surely, 2^51066633 is an apocalyptic number.

It is an amenable number.

51066633 is a deficient number, since it is larger than the sum of its proper divisors (17080567).

51066633 is a wasteful number, since it uses less digits than its factorization.

51066633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14591.

The product of its (nonzero) digits is 9720, while the sum is 30.

The square root of 51066633 is about 7146.0921488601. The cubic root of 51066633 is about 371.0044123925.

The spelling of 51066633 in words is "fifty-one million, sixty-six thousand, six hundred thirty-three".