52758816668 has 48 divisors (see below), whose sum is σ = 101776830624. Its totient is φ = 23825664000.

The previous prime is 52758816667. The next prime is 52758816727. The reversal of 52758816668 is 86661885725.

It is a happy number.

52758816668 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 52758816668.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52758816667) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40043 + ... + 327293.

It is an arithmetic number, because the mean of its divisors is an integer number (2120350638).

Almost surely, 2^52758816668 is an apocalyptic number.

It is an amenable number.

52758816668 is a deficient number, since it is larger than the sum of its proper divisors (49018013956).

52758816668 is a wasteful number, since it uses less digits than its factorization.

52758816668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287382 (or 287380 counting only the distinct ones).

The product of its digits is 38707200, while the sum is 62.

The spelling of 52758816668 in words is "fifty-two billion, seven hundred fifty-eight million, eight hundred sixteen thousand, six hundred sixty-eight".