556716942 has 48 divisors (see below), whose sum is σ = 1268265840. Its totient is φ = 181016640.

The previous prime is 556716889. The next prime is 556716947. The reversal of 556716942 is 249617655.

556716942 is a `hidden beast` number, since 556 + 7 + 1 + 6 + 94 + 2 = 666.

556716942 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556716947) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 87708 + ... + 93840.

It is an arithmetic number, because the mean of its divisors is an integer number (26422205).

Almost surely, 2^556716942 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 556716942, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (634132920).

556716942 is an abundant number, since it is smaller than the sum of its proper divisors (711548898).

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

556716942 is a wasteful number, since it uses less digits than its factorization.

556716942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6226 (or 6179 counting only the distinct ones).

The product of its digits is 453600, while the sum is 45.

The square root of 556716942 is about 23594.8499041634. The cubic root of 556716942 is about 822.6431377842.

The spelling of 556716942 in words is "five hundred fifty-six million, seven hundred sixteen thousand, nine hundred forty-two".