51680033 has 8 divisors (see below), whose sum is σ = 52550400. Its totient is φ = 50815728.

The previous prime is 51680003. The next prime is 51680053. The reversal of 51680033 is 33008615.

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 51680033 - 2⁸ = 51679777 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51679984 and 51680011.

It is not an unprimeable number, because it can be changed into a prime (51680003) 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, 17648 + ... + 20366.

It is an arithmetic number, because the mean of its divisors is an integer number (6568800).

Almost surely, 2^51680033 is an apocalyptic number.

It is an amenable number.

51680033 is a deficient number, since it is larger than the sum of its proper divisors (870367).

51680033 is a wasteful number, since it uses less digits than its factorization.

51680033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3031.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 51680033 is about 7188.8825974556. The cubic root of 51680033 is about 372.4839757081.

Adding to 51680033 its reverse (33008615), we get a palindrome (84688648).

The spelling of 51680033 in words is "fifty-one million, six hundred eighty thousand, thirty-three".