51548271922 has 32 divisors (see below), whose sum is σ = 95390265600. Its totient is φ = 20402910528.

The previous prime is 51548271919. The next prime is 51548271923. The reversal of 51548271922 is 22917284515.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is not an unprimeable number, because it can be changed into a prime (51548271923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2750797 + ... + 2769472.

It is an arithmetic number, because the mean of its divisors is an integer number (2980945800).

Almost surely, 2^51548271922 is an apocalyptic number.

51548271922 is a deficient number, since it is larger than the sum of its proper divisors (43841993678).

51548271922 is a wasteful number, since it uses less digits than its factorization.

51548271922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5520330.

The product of its digits is 403200, while the sum is 46.

The spelling of 51548271922 in words is "fifty-one billion, five hundred forty-eight million, two hundred seventy-one thousand, nine hundred twenty-two".