51732275532 has 48 divisors (see below), whose sum is σ = 138362165760. Its totient is φ = 14736782592.

The previous prime is 51732275531. The next prime is 51732275627. The reversal of 51732275532 is 23557223715.

51732275532 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (51732275531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 885432 + ... + 942047.

It is an arithmetic number, because the mean of its divisors is an integer number (2882545120).

Almost surely, 2^51732275532 is an apocalyptic number.

It is an amenable number.

51732275532 is an abundant number, since it is smaller than the sum of its proper divisors (86629890228).

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

51732275532 is a wasteful number, since it uses less digits than its factorization.

51732275532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1827830 (or 1827828 counting only the distinct ones).

The product of its digits is 441000, while the sum is 42.

The spelling of 51732275532 in words is "fifty-one billion, seven hundred thirty-two million, two hundred seventy-five thousand, five hundred thirty-two".