556106420 has 24 divisors (see below), whose sum is σ = 1218599424. Its totient is φ = 212770976.

The previous prime is 556106417. The next prime is 556106429. The reversal of 556106420 is 24601655.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556106429) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 604004 + ... + 604923.

It is an arithmetic number, because the mean of its divisors is an integer number (50774976).

Almost surely, 2^556106420 is an apocalyptic number.

It is an amenable number.

556106420 is an abundant number, since it is smaller than the sum of its proper divisors (662493004).

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

556106420 is a wasteful number, since it uses less digits than its factorization.

556106420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1208959 (or 1208957 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 556106420 is about 23581.9087437807. The cubic root of 556106420 is about 822.3423113966.

The spelling of 556106420 in words is "five hundred fifty-six million, one hundred six thousand, four hundred twenty".