52566718650 has 48 divisors (see below), whose sum is σ = 130417911648. Its totient is φ = 14012152000.

The previous prime is 52566718637. The next prime is 52566718651. The reversal of 52566718650 is 5681766525.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 52566718593 and 52566718602.

It is not an unprimeable number, because it can be changed into a prime (52566718651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 310420 + ... + 448880.

It is an arithmetic number, because the mean of its divisors is an integer number (2717039826).

Almost surely, 2^52566718650 is an apocalyptic number.

52566718650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

52566718650 is an abundant number, since it is smaller than the sum of its proper divisors (77851192998).

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

52566718650 is a wasteful number, since it uses less digits than its factorization.

52566718650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141007 (or 141002 counting only the distinct ones).

The product of its (nonzero) digits is 3024000, while the sum is 51.

The spelling of 52566718650 in words is "fifty-two billion, five hundred sixty-six million, seven hundred eighteen thousand, six hundred fifty".