52168556736 has 70 divisors (see below), whose sum is σ = 154643960460. Its totient is φ = 17389517184.

The previous prime is 52168556719. The next prime is 52168556809. The reversal of 52168556736 is 63765586125.

It is a happy number.

52168556736 is a `hidden beast` number, since 5 + 2 + 16 + 8 + 556 + 73 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 5026506 + ... + 5036873.

Almost surely, 2^52168556736 is an apocalyptic number.

It is an amenable number.

52168556736 is an abundant number, since it is smaller than the sum of its proper divisors (102475403724).

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

52168556736 is a wasteful number, since it uses less digits than its factorization.

52168556736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10063403 (or 10063384 counting only the distinct ones).

The product of its digits is 9072000, while the sum is 54.

The spelling of 52168556736 in words is "fifty-two billion, one hundred sixty-eight million, five hundred fifty-six thousand, seven hundred thirty-six".