560666550 has 48 divisors (see below), whose sum is σ = 1428046992. Its totient is φ = 145468800.

The previous prime is 560666549. The next prime is 560666581. The reversal of 560666550 is 55666065.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 560666499 and 560666508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44961 + ... + 56060.

It is an arithmetic number, because the mean of its divisors is an integer number (29750979).

Almost surely, 2^560666550 is an apocalyptic number.

560666550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

560666550 is an abundant number, since it is smaller than the sum of its proper divisors (867380442).

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

560666550 is a wasteful number, since it uses less digits than its factorization.

560666550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101073 (or 101068 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 39.

The square root of 560666550 is about 23678.3983833367. The cubic root of 560666550 is about 824.5839591916.

The spelling of 560666550 in words is "five hundred sixty million, six hundred sixty-six thousand, five hundred fifty".