555642006 has 32 divisors (see below), whose sum is σ = 1135911168. Its totient is φ = 181154400.

The previous prime is 555641971. The next prime is 555642007. The reversal of 555642006 is 600246555.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (555642007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44775 + ... + 55821.

It is an arithmetic number, because the mean of its divisors is an integer number (35497224).

Almost surely, 2^555642006 is an apocalyptic number.

555642006 is an abundant number, since it is smaller than the sum of its proper divisors (580269162).

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

555642006 is a wasteful number, since it uses less digits than its factorization.

555642006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11236.

The product of its (nonzero) digits is 36000, while the sum is 33.

The square root of 555642006 is about 23572.0598590789. The cubic root of 555642006 is about 822.1133302579.

The spelling of 555642006 in words is "five hundred fifty-five million, six hundred forty-two thousand, six".