51801884375 has 48 divisors (see below), whose sum is σ = 67172263200. Its totient is φ = 39898320000.

The previous prime is 51801884363. The next prime is 51801884377. The reversal of 51801884375 is 57348810815.

It is not a de Polignac number, because 51801884375 - 2¹⁴ = 51801867991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51801884377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 46127564 + ... + 46128686.

It is an arithmetic number, because the mean of its divisors is an integer number (1399422150).

Almost surely, 2^51801884375 is an apocalyptic number.

51801884375 is a deficient number, since it is larger than the sum of its proper divisors (15370378825).

51801884375 is an equidigital number, since it uses as much as digits as its factorization.

51801884375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1686 (or 1666 counting only the distinct ones).

The product of its (nonzero) digits is 1075200, while the sum is 50.

The spelling of 51801884375 in words is "fifty-one billion, eight hundred one million, eight hundred eighty-four thousand, three hundred seventy-five".