556606665050 has 24 divisors (see below), whose sum is σ = 1035581263200. Its totient is φ = 222579684080.

The previous prime is 556606665049. The next prime is 556606665071. The reversal of 556606665050 is 50566606655.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 556606665050.

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, 1395830 + ... + 1749729.

It is an arithmetic number, because the mean of its divisors is an integer number (43149219300).

Almost surely, 2^556606665050 is an apocalyptic number.

556606665050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

556606665050 is a deficient number, since it is larger than the sum of its proper divisors (478974598150).

556606665050 is a wasteful number, since it uses less digits than its factorization.

556606665050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3149110 (or 3149105 counting only the distinct ones).

The product of its (nonzero) digits is 4860000, while the sum is 50.

The spelling of 556606665050 in words is "five hundred fifty-six billion, six hundred six million, six hundred sixty-five thousand, fifty".