52705217616 has 20 divisors (see below), whose sum is σ = 136155145632. Its totient is φ = 17568405856.

The previous prime is 52705217567. The next prime is 52705217627. The reversal of 52705217616 is 61671250725.

It is a happy number.

It is a congruent number.

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, 549012636 + ... + 549012731.

Almost surely, 2^52705217616 is an apocalyptic number.

It is an amenable number.

52705217616 is an abundant number, since it is smaller than the sum of its proper divisors (83449928016).

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

52705217616 is a wasteful number, since it uses less digits than its factorization.

52705217616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1098025378 (or 1098025372 counting only the distinct ones).

The product of its (nonzero) digits is 176400, while the sum is 42.

The spelling of 52705217616 in words is "fifty-two billion, seven hundred five million, two hundred seventeen thousand, six hundred sixteen".