51963192380 has 96 divisors (see below), whose sum is σ = 124239407040. Its totient is φ = 18082426880.

The previous prime is 51963192373. The next prime is 51963192431. The reversal of 51963192380 is 8329136915.

51963192380 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 684902 + ... + 756978.

It is an arithmetic number, because the mean of its divisors is an integer number (1294160490).

Almost surely, 2^51963192380 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 51963192380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62119703520).

51963192380 is an abundant number, since it is smaller than the sum of its proper divisors (72276214660).

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

51963192380 is a wasteful number, since it uses less digits than its factorization.

51963192380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72239 (or 72237 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 47.

The spelling of 51963192380 in words is "fifty-one billion, nine hundred sixty-three million, one hundred ninety-two thousand, three hundred eighty".