556405050 has 48 divisors (see below), whose sum is σ = 1424408832. Its totient is φ = 143587200.

The previous prime is 556405039. The next prime is 556405103. The reversal of 556405050 is 50504655.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 556404999 and 556405017.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55179 + ... + 64478.

It is an arithmetic number, because the mean of its divisors is an integer number (29675184).

Almost surely, 2^556405050 is an apocalyptic number.

556405050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

556405050 is an abundant number, since it is smaller than the sum of its proper divisors (868003782).

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

556405050 is a wasteful number, since it uses less digits than its factorization.

556405050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119703 (or 119698 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 30.

The square root of 556405050 is about 23588.2396545397. The cubic root of 556405050 is about 822.4894847496.

The spelling of 556405050 in words is "five hundred fifty-six million, four hundred five thousand, fifty".