556236042 has 16 divisors (see below), whose sum is σ = 1112723040. Its totient is φ = 185370192.

The previous prime is 556236041. The next prime is 556236049. The reversal of 556236042 is 240632655.

It is a junction number, because it is equal to n+sod(n) for n = 556235994 and 556236012.

It is not an unprimeable number, because it can be changed into a prime (556236041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31008 + ... + 45540.

It is an arithmetic number, because the mean of its divisors is an integer number (69545190).

Almost surely, 2^556236042 is an apocalyptic number.

556236042 is an abundant number, since it is smaller than the sum of its proper divisors (556486998).

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

556236042 is a wasteful number, since it uses less digits than its factorization.

556236042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20917.

The product of its (nonzero) digits is 43200, while the sum is 33.

The square root of 556236042 is about 23584.6569192770. The cubic root of 556236042 is about 822.4061992728.

Adding to 556236042 its reverse (240632655), we get a palindrome (796868697).

The spelling of 556236042 in words is "five hundred fifty-six million, two hundred thirty-six thousand, forty-two".