52445840032 has 24 divisors (see below), whose sum is σ = 106043364756. Its totient is φ = 25514191872.

The previous prime is 52445840017. The next prime is 52445840077. The reversal of 52445840032 is 23004854425.

It can be written as a sum of positive squares in 2 ways, for example, as 51295002256 + 1150837776 = 226484^2 + 33924^2 .

It is a super-2 number, since 2×52445840032² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a junction number, because it is equal to n+sod(n) for n = 52445839973 and 52445840000.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22146553 + ... + 22148920.

Almost surely, 2^52445840032 is an apocalyptic number.

It is an amenable number.

52445840032 is an abundant number, since it is smaller than the sum of its proper divisors (53597524724).

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

52445840032 is a wasteful number, since it uses less digits than its factorization.

52445840032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44295520 (or 44295512 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 37.

The spelling of 52445840032 in words is "fifty-two billion, four hundred forty-five million, eight hundred forty thousand, thirty-two".