52571933440 has 72 divisors (see below), whose sum is σ = 135612883728. Its totient is φ = 19411169280.

The previous prime is 52571933431. The next prime is 52571933459. The reversal of 52571933440 is 4433917525.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1563046 + ... + 1596325.

It is an arithmetic number, because the mean of its divisors is an integer number (1883512274).

Almost surely, 2^52571933440 is an apocalyptic number.

It is an amenable number.

52571933440 is an abundant number, since it is smaller than the sum of its proper divisors (83040950288).

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

52571933440 is a wasteful number, since it uses less digits than its factorization.

52571933440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3159405 (or 3159391 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 43.

The spelling of 52571933440 in words is "fifty-two billion, five hundred seventy-one million, nine hundred thirty-three thousand, four hundred forty".