556966017550 has 24 divisors (see below), whose sum is σ = 1036321445736. Its totient is φ = 222707987040.

The previous prime is 556966017541. The next prime is 556966017551. The reversal of 556966017550 is 55710669655.

It is a super-2 number, since 2×556966017550² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 556966017491 and 556966017500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556966017551) 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, 1816929 + ... + 2101228.

It is an arithmetic number, because the mean of its divisors is an integer number (43180060239).

Almost surely, 2^556966017550 is an apocalyptic number.

556966017550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

556966017550 is a deficient number, since it is larger than the sum of its proper divisors (479355428186).

556966017550 is a wasteful number, since it uses less digits than its factorization.

556966017550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3921012 (or 3921007 counting only the distinct ones).

The product of its (nonzero) digits is 8505000, while the sum is 55.

The spelling of 556966017550 in words is "five hundred fifty-six billion, nine hundred sixty-six million, seventeen thousand, five hundred fifty".