556938650 has 24 divisors (see below), whose sum is σ = 1036540800. Its totient is φ = 222638960.

The previous prime is 556938647. The next prime is 556938671. The reversal of 556938650 is 56839655.

It is a happy number.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 556938595 and 556938604.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 132887 + ... + 137013.

It is an arithmetic number, because the mean of its divisors is an integer number (43189200).

Almost surely, 2^556938650 is an apocalyptic number.

556938650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

556938650 is a deficient number, since it is larger than the sum of its proper divisors (479602150).

556938650 is a wasteful number, since it uses less digits than its factorization.

556938650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6838 (or 6833 counting only the distinct ones).

The product of its (nonzero) digits is 972000, while the sum is 47.

The square root of 556938650 is about 23599.5476651566. The cubic root of 556938650 is about 822.7523269401.

The spelling of 556938650 in words is "five hundred fifty-six million, nine hundred thirty-eight thousand, six hundred fifty".