56633585550 has 24 divisors (see below), whose sum is σ = 140451292536. Its totient is φ = 15102289440.

The previous prime is 56633585527. The next prime is 56633585563. The reversal of 56633585550 is 5558533665.

It is a junction number, because it is equal to n+sod(n) for n = 56633585493 and 56633585502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 188778469 + ... + 188778768.

It is an arithmetic number, because the mean of its divisors is an integer number (5852137189).

Almost surely, 2^56633585550 is an apocalyptic number.

56633585550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

56633585550 is an abundant number, since it is smaller than the sum of its proper divisors (83817706986).

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

56633585550 is a wasteful number, since it uses less digits than its factorization.

56633585550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377557252 (or 377557247 counting only the distinct ones).

The product of its (nonzero) digits is 8100000, while the sum is 51.

The spelling of 56633585550 in words is "fifty-six billion, six hundred thirty-three million, five hundred eighty-five thousand, five hundred fifty".