51600051 has 16 divisors (see below), whose sum is σ = 76790400. Its totient is φ = 34244424.

The previous prime is 51600047. The next prime is 51600053. The reversal of 51600051 is 15000615.

It is not a de Polignac number, because 51600051 - 2² = 51600047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51599997 and 51600033.

It is not an unprimeable number, because it can be changed into a prime (51600053) 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, 1920 + ... + 10338.

It is an arithmetic number, because the mean of its divisors is an integer number (4799400).

Almost surely, 2^51600051 is an apocalyptic number.

51600051 is a deficient number, since it is larger than the sum of its proper divisors (25190349).

51600051 is a wasteful number, since it uses less digits than its factorization.

51600051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8655 (or 8649 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 51600051 is about 7183.3175483199. The cubic root of 51600051 is about 372.2917196669.

Adding to 51600051 its reverse (15000615), we get a palindrome (66600666).

The spelling of 51600051 in words is "fifty-one million, six hundred thousand, fifty-one".