51832147520 has 112 divisors (see below), whose sum is σ = 127859180400. Its totient is φ = 19999457280.

The previous prime is 51832147517. The next prime is 51832147531. The reversal of 51832147520 is 2574123815.

It can be written as a sum of positive squares in 8 ways, for example, as 2188742656 + 49643404864 = 46784^2 + 222808^2 .

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, 1145486 + ... + 1189874.

It is an arithmetic number, because the mean of its divisors is an integer number (1141599825).

Almost surely, 2^51832147520 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 51832147520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63929590200).

51832147520 is an abundant number, since it is smaller than the sum of its proper divisors (76027032880).

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

51832147520 is a wasteful number, since it uses less digits than its factorization.

51832147520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44536 (or 44526 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 38.

The spelling of 51832147520 in words is "fifty-one billion, eight hundred thirty-two million, one hundred forty-seven thousand, five hundred twenty".