51253733 has 8 divisors (see below), whose sum is σ = 51979200. Its totient is φ = 50532480.

The previous prime is 51253723. The next prime is 51253739. The reversal of 51253733 is 33735215.

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

It is a cyclic number.

It is not a de Polignac number, because 51253733 - 2⁶ = 51253669 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51253696 and 51253705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51253739) 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, 29318 + ... + 31016.

It is an arithmetic number, because the mean of its divisors is an integer number (6497400).

Almost surely, 2^51253733 is an apocalyptic number.

It is an amenable number.

51253733 is a deficient number, since it is larger than the sum of its proper divisors (725467).

51253733 is a wasteful number, since it uses less digits than its factorization.

51253733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2107.

The product of its digits is 9450, while the sum is 29.

The square root of 51253733 is about 7159.1712509200. The cubic root of 51253733 is about 371.4569604886.

Adding to 51253733 its reverse (33735215), we get a palindrome (84988948).

It can be divided in two parts, 512 and 53733, that added together give a palindrome (54245).

The spelling of 51253733 in words is "fifty-one million, two hundred fifty-three thousand, seven hundred thirty-three".