51600056 has 8 divisors (see below), whose sum is σ = 96750120. Its totient is φ = 25800024.

The previous prime is 51600053. The next prime is 51600061. The reversal of 51600056 is 65000615.

51600056 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51600053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3224996 + ... + 3225011.

It is an arithmetic number, because the mean of its divisors is an integer number (12093765).

Almost surely, 2^51600056 is an apocalyptic number.

It is an amenable number.

51600056 is a deficient number, since it is larger than the sum of its proper divisors (45150064).

51600056 is a wasteful number, since it uses less digits than its factorization.

51600056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6450013 (or 6450009 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 51600056 is about 7183.3178963485. The cubic root of 51600056 is about 372.2917316919.

It can be divided in two parts, 5 and 1600056, that added together give a palindrome (1600061).

The spelling of 51600056 in words is "fifty-one million, six hundred thousand, fifty-six".