51925244860 has 48 divisors (see below), whose sum is σ = 109539017280. Its totient is φ = 20675842560.

The previous prime is 51925244857. The next prime is 51925244881. The reversal of 51925244860 is 6844252915.

It is a self number, because there is not a number n which added to its sum of digits gives 51925244860.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4005990 + ... + 4018930.

It is an arithmetic number, because the mean of its divisors is an integer number (2282062860).

Almost surely, 2^51925244860 is an apocalyptic number.

It is an amenable number.

51925244860 is an abundant number, since it is smaller than the sum of its proper divisors (57613772420).

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

51925244860 is a wasteful number, since it uses less digits than its factorization.

51925244860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13846 (or 13844 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 46.

The spelling of 51925244860 in words is "fifty-one billion, nine hundred twenty-five million, two hundred forty-four thousand, eight hundred sixty".