51360633 has 12 divisors (see below), whose sum is σ = 77413440. Its totient is φ = 32751576.

The previous prime is 51360623. The next prime is 51360637. The reversal of 51360633 is 33606315.

51360633 is a `hidden beast` number, since 51 + 3 + 606 + 3 + 3 = 666.

It is not a de Polignac number, because 51360633 - 2⁸ = 51360377 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51360597 and 51360606.

It is not an unprimeable number, because it can be changed into a prime (51360637) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 123853 + ... + 124266.

It is an arithmetic number, because the mean of its divisors is an integer number (6451120).

Almost surely, 2^51360633 is an apocalyptic number.

It is an amenable number.

51360633 is a deficient number, since it is larger than the sum of its proper divisors (26052807).

51360633 is a wasteful number, since it uses less digits than its factorization.

51360633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248148 (or 248145 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 27.

The square root of 51360633 is about 7166.6333099999. The cubic root of 51360633 is about 371.7150306286.

Adding to 51360633 its reverse (33606315), we get a palindrome (84966948).

The spelling of 51360633 in words is "fifty-one million, three hundred sixty thousand, six hundred thirty-three".