51200546423 has 4 divisors (see below), whose sum is σ = 55139050008. Its totient is φ = 47262042840.

The previous prime is 51200546413. The next prime is 51200546431. The reversal of 51200546423 is 32464500215.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51200546423 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51200546423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51200546413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1969251773 + ... + 1969251798.

It is an arithmetic number, because the mean of its divisors is an integer number (13784762502).

Almost surely, 2^51200546423 is an apocalyptic number.

51200546423 is a deficient number, since it is larger than the sum of its proper divisors (3938503585).

51200546423 is a wasteful number, since it uses less digits than its factorization.

51200546423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3938503584.

The product of its (nonzero) digits is 28800, while the sum is 32.

The spelling of 51200546423 in words is "fifty-one billion, two hundred million, five hundred forty-six thousand, four hundred twenty-three".