51360033 has 16 divisors (see below), whose sum is σ = 71233280. Its totient is φ = 32887296.

The previous prime is 51360019. The next prime is 51360041. The reversal of 51360033 is 33006315.

It is not a de Polignac number, because 51360033 - 2²¹ = 49262881 is a prime.

It is a super-2 number, since 2×51360033² = 5275705979522178, which contains 22 as substring.

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 = 51359991 and 51360009.

It is not an unprimeable number, because it can be changed into a prime (51360013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5841 + ... + 11697.

It is an arithmetic number, because the mean of its divisors is an integer number (4452080).

Almost surely, 2^51360033 is an apocalyptic number.

It is an amenable number.

51360033 is a deficient number, since it is larger than the sum of its proper divisors (19873247).

51360033 is a wasteful number, since it uses less digits than its factorization.

51360033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5976.

The product of its (nonzero) digits is 810, while the sum is 21.

The square root of 51360033 is about 7166.5914492177. The cubic root of 51360033 is about 371.7135831524.

Adding to 51360033 its reverse (33006315), we get a palindrome (84366348).

The spelling of 51360033 in words is "fifty-one million, three hundred sixty thousand, thirty-three".