51885837120 has 224 divisors, whose sum is σ = 177794765568. Its totient is φ = 12744179712.

The previous prime is 51885837119. The next prime is 51885837131. The reversal of 51885837120 is 2173858815.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 51885837120.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6073492 + ... + 6082028.

It is an arithmetic number, because the mean of its divisors is an integer number (793726632).

Almost surely, 2^51885837120 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51885837120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88897382784).

51885837120 is an abundant number, since it is smaller than the sum of its proper divisors (125908928448).

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

51885837120 is a wasteful number, since it uses less digits than its factorization.

51885837120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9057 (or 9047 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 48.

The spelling of 51885837120 in words is "fifty-one billion, eight hundred eighty-five million, eight hundred thirty-seven thousand, one hundred twenty".