51532043552 has 24 divisors (see below), whose sum is σ = 110676776112. Its totient is φ = 23423656000.

The previous prime is 51532043533. The next prime is 51532043569. The reversal of 51532043552 is 25534023515.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73198574 + ... + 73199277.

It is an arithmetic number, because the mean of its divisors is an integer number (4611532338).

Almost surely, 2^51532043552 is an apocalyptic number.

It is an amenable number.

51532043552 is an abundant number, since it is smaller than the sum of its proper divisors (59144732560).

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

51532043552 is a wasteful number, since it uses less digits than its factorization.

51532043552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146397872 (or 146397864 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 35.

The spelling of 51532043552 in words is "fifty-one billion, five hundred thirty-two million, forty-three thousand, five hundred fifty-two".