51847485375 has 64 divisors (see below), whose sum is σ = 98937086976. Its totient is φ = 23620464000.

The previous prime is 51847485353. The next prime is 51847485379. The reversal of 51847485375 is 57358474815.

It is not a de Polignac number, because 51847485375 - 2⁶ = 51847485311 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51847485379) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 735420 + ... + 802830.

It is an arithmetic number, because the mean of its divisors is an integer number (1545891984).

Almost surely, 2^51847485375 is an apocalyptic number.

51847485375 is a deficient number, since it is larger than the sum of its proper divisors (47089601601).

51847485375 is a wasteful number, since it uses less digits than its factorization.

51847485375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67729 (or 67719 counting only the distinct ones).

The product of its digits is 18816000, while the sum is 57.

The spelling of 51847485375 in words is "fifty-one billion, eight hundred forty-seven million, four hundred eighty-five thousand, three hundred seventy-five".