555599994 has 8 divisors (see below), whose sum is σ = 1111200000. Its totient is φ = 185199996.

The previous prime is 555599987. The next prime is 555599999. The reversal of 555599994 is 499995555.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

555599994 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (555599999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46299994 + ... + 46300005.

It is an arithmetic number, because the mean of its divisors is an integer number (138900000).

Almost surely, 2^555599994 is an apocalyptic number.

555599994 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

555599994 is a wasteful number, since it uses less digits than its factorization.

555599994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92600004.

The product of its digits is 16402500, while the sum is 60.

The square root of 555599994 is about 23571.1687024636. The cubic root of 555599994 is about 822.0926097847.

The spelling of 555599994 in words is "five hundred fifty-five million, five hundred ninety-nine thousand, nine hundred ninety-four".