5556549942 has 20 divisors (see below), whose sum is σ = 12450788196. Its totient is φ = 1852183260.

The previous prime is 5556549941. The next prime is 5556549953. The reversal of 5556549942 is 2499456555.

5556549942 is a `hidden beast` number, since 5 + 5 + 5 + 6 + 549 + 94 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5556549941) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 17149684 + ... + 17150007.

Almost surely, 2^5556549942 is an apocalyptic number.

5556549942 is an abundant number, since it is smaller than the sum of its proper divisors (6894238254).

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

5556549942 is a wasteful number, since it uses less digits than its factorization.

5556549942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34299705 (or 34299696 counting only the distinct ones).

The product of its digits is 9720000, while the sum is 54.

The square root of 5556549942 is about 74542.2694985872. The cubic root of 5556549942 is about 1771.2032783280.

The spelling of 5556549942 in words is "five billion, five hundred fifty-six million, five hundred forty-nine thousand, nine hundred forty-two".