52566819664 has 40 divisors (see below), whose sum is σ = 102239081280. Its totient is φ = 26182675200.

The previous prime is 52566819653. The next prime is 52566819703. The reversal of 52566819664 is 46691866525.

It is a junction number, because it is equal to n+sod(n) for n = 52566819599 and 52566819608.

It is a congruent number.

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, 7998972 + ... + 8005540.

It is an arithmetic number, because the mean of its divisors is an integer number (2555977032).

Almost surely, 2^52566819664 is an apocalyptic number.

It is an amenable number.

52566819664 is a deficient number, since it is larger than the sum of its proper divisors (49672261616).

52566819664 is a wasteful number, since it uses less digits than its factorization.

52566819664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8419 (or 8413 counting only the distinct ones).

The product of its digits is 18662400, while the sum is 58.

The spelling of 52566819664 in words is "fifty-two billion, five hundred sixty-six million, eight hundred nineteen thousand, six hundred sixty-four".