52533320361640 has 16 divisors (see below), whose sum is σ = 118199970813780. Its totient is φ = 21013328144640.

The previous prime is 52533320361631. The next prime is 52533320361671. The reversal of 52533320361640 is 4616302333525.

It can be written as a sum of positive squares in 2 ways, for example, as 47954156911236 + 4579163450404 = 6924894^2 + 2139898^2 .

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, 656666504481 + ... + 656666504560.

Almost surely, 2^{52533320361640} is an apocalyptic number.

It is an amenable number.

52533320361640 is an abundant number, since it is smaller than the sum of its proper divisors (65666650452140).

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

52533320361640 is a wasteful number, since it uses less digits than its factorization.

52533320361640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1313333009052 (or 1313333009048 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 43.

The spelling of 52533320361640 in words is "fifty-two trillion, five hundred thirty-three billion, three hundred twenty million, three hundred sixty-one thousand, six hundred forty".