51822543432 has 64 divisors (see below), whose sum is σ = 141363855360. Its totient is φ = 15700507200.

The previous prime is 51822543431. The next prime is 51822543463. The reversal of 51822543432 is 23434522815.

It is not an unprimeable number, because it can be changed into a prime (51822543431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1434957 + ... + 1470627.

It is an arithmetic number, because the mean of its divisors is an integer number (2208810240).

Almost surely, 2^51822543432 is an apocalyptic number.

It is an amenable number.

51822543432 is an abundant number, since it is smaller than the sum of its proper divisors (89541311928).

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

51822543432 is a wasteful number, since it uses less digits than its factorization.

51822543432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41194 (or 41190 counting only the distinct ones).

The product of its digits is 230400, while the sum is 39.

The spelling of 51822543432 in words is "fifty-one billion, eight hundred twenty-two million, five hundred forty-three thousand, four hundred thirty-two".