51846719928 has 32 divisors (see below), whose sum is σ = 130606248960. Its totient is φ = 17150313440.

The previous prime is 51846719923. The next prime is 51846719933. The reversal of 51846719928 is 82991764815.

It is an interprime number because it is at equal distance from previous prime (51846719923) and next prime (51846719933).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51846719923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8242200 + ... + 8248487.

It is an arithmetic number, because the mean of its divisors is an integer number (4081445280).

Almost surely, 2^51846719928 is an apocalyptic number.

It is an amenable number.

51846719928 is an abundant number, since it is smaller than the sum of its proper divisors (78759529032).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51846719928 is a wasteful number, since it uses less digits than its factorization.

51846719928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16490827 (or 16490823 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 60.

The spelling of 51846719928 in words is "fifty-one billion, eight hundred forty-six million, seven hundred nineteen thousand, nine hundred twenty-eight".