51333629 has 8 divisors (see below), whose sum is σ = 52012800. Its totient is φ = 50659216.

The previous prime is 51333619. The next prime is 51333637. The reversal of 51333629 is 92633315.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51333629 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 51333595 and 51333604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51333619) 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, 23852 + ... + 25914.

It is an arithmetic number, because the mean of its divisors is an integer number (6501600).

Almost surely, 2^51333629 is an apocalyptic number.

It is an amenable number.

51333629 is a deficient number, since it is larger than the sum of its proper divisors (679171).

51333629 is a wasteful number, since it uses less digits than its factorization.

51333629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2379.

The product of its digits is 14580, while the sum is 32.

The square root of 51333629 is about 7164.7490535259. The cubic root of 51333629 is about 371.6498733813.

The spelling of 51333629 in words is "fifty-one million, three hundred thirty-three thousand, six hundred twenty-nine".