556423416 has 24 divisors (see below), whose sum is σ = 1506980280. Its totient is φ = 185474448.

The previous prime is 556423411. The next prime is 556423421. The reversal of 556423416 is 614324655.

556423416 is a `hidden beast` number, since 5 + 5 + 642 + 3 + 4 + 1 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (556423411) and next prime (556423421).

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556423411) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 3863980 + ... + 3864123.

It is an arithmetic number, because the mean of its divisors is an integer number (62790845).

Almost surely, 2^556423416 is an apocalyptic number.

It is an amenable number.

556423416 is an abundant number, since it is smaller than the sum of its proper divisors (950556864).

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

556423416 is a wasteful number, since it uses less digits than its factorization.

556423416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7728115 (or 7728108 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The square root of 556423416 is about 23588.6289554946. The cubic root of 556423416 is about 822.4985343174.

The spelling of 556423416 in words is "five hundred fifty-six million, four hundred twenty-three thousand, four hundred sixteen".