52421520032 has 24 divisors (see below), whose sum is σ = 117948420576. Its totient is φ = 22466365632.

The previous prime is 52421520013. The next prime is 52421520071. The reversal of 52421520032 is 23002512425.

It is a junction number, because it is equal to n+sod(n) for n = 52421519983 and 52421520010.

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, 117012098 + ... + 117012545.

It is an arithmetic number, because the mean of its divisors is an integer number (4914517524).

Almost surely, 2^52421520032 is an apocalyptic number.

It is an amenable number.

52421520032 is an abundant number, since it is smaller than the sum of its proper divisors (65526900544).

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

52421520032 is a wasteful number, since it uses less digits than its factorization.

52421520032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234024660 (or 234024652 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The spelling of 52421520032 in words is "fifty-two billion, four hundred twenty-one million, five hundred twenty thousand, thirty-two".