555870042 has 192 divisors, whose sum is σ = 1594494720. Its totient is φ = 135862272.

The previous prime is 555870037. The next prime is 555870053. The reversal of 555870042 is 240078555.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 555869979 and 555870006.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1649298 + ... + 1649634.

It is an arithmetic number, because the mean of its divisors is an integer number (8304660).

Almost surely, 2^555870042 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 555870042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (797247360).

555870042 is an abundant number, since it is smaller than the sum of its proper divisors (1038624678).

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

555870042 is a wasteful number, since it uses less digits than its factorization.

555870042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437 (or 434 counting only the distinct ones).

The product of its (nonzero) digits is 56000, while the sum is 36.

The square root of 555870042 is about 23576.8963606324. The cubic root of 555870042 is about 822.2257802365.

The spelling of 555870042 in words is "five hundred fifty-five million, eight hundred seventy thousand, forty-two".