56501307712650 has 24 divisors (see below), whose sum is σ = 140123243127744. Its totient is φ = 15067015390000.

The previous prime is 56501307712643. The next prime is 56501307712651. The reversal of 56501307712650 is 5621770310565.

It is a self number, because there is not a number n which added to its sum of digits gives 56501307712650.

It is not an unprimeable number, because it can be changed into a prime (56501307712651) 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 11 ways as a sum of consecutive naturals, for example, 188337692226 + ... + 188337692525.

It is an arithmetic number, because the mean of its divisors is an integer number (5838468463656).

Almost surely, 2^{56501307712650} is an apocalyptic number.

56501307712650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

56501307712650 is an abundant number, since it is smaller than the sum of its proper divisors (83621935415094).

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

56501307712650 is a wasteful number, since it uses less digits than its factorization.

56501307712650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376675384766 (or 376675384761 counting only the distinct ones).

The product of its (nonzero) digits is 1323000, while the sum is 48.

The spelling of 56501307712650 in words is "fifty-six trillion, five hundred one billion, three hundred seven million, seven hundred twelve thousand, six hundred fifty".