51918056876 has 48 divisors (see below), whose sum is σ = 106145012736. Its totient is φ = 21756722304.

The previous prime is 51918056851. The next prime is 51918056881. The reversal of 51918056876 is 67865081915.

51918056876 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 1425671 + ... + 1461633.

It is an arithmetic number, because the mean of its divisors is an integer number (2211354432).

Almost surely, 2^51918056876 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 51918056876, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53072506368).

51918056876 is an abundant number, since it is smaller than the sum of its proper divisors (54226955860).

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

51918056876 is a wasteful number, since it uses less digits than its factorization.

51918056876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37118 (or 37116 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 56.

The spelling of 51918056876 in words is "fifty-one billion, nine hundred eighteen million, fifty-six thousand, eight hundred seventy-six".