2858505556 has 12 divisors (see below), whose sum is σ = 5006952468. Its totient is φ = 1427947712.

The previous prime is 2858505547. The next prime is 2858505557. The reversal of 2858505556 is 6555058582.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 543356100 + 2315149456 = 23310^2 + 48116^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2858505557) 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, 321331 + ... + 330106.

It is an arithmetic number, because the mean of its divisors is an integer number (417246039).

Almost surely, 2^2858505556 is an apocalyptic number.

It is an amenable number.

2858505556 is a deficient number, since it is larger than the sum of its proper divisors (2148446912).

2858505556 is a wasteful number, since it uses less digits than its factorization.

2858505556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652538 (or 652536 counting only the distinct ones).

The product of its (nonzero) digits is 2400000, while the sum is 49.

The square root of 2858505556 is about 53464.9937435702. The cubic root of 2858505556 is about 1419.2089682735.

The spelling of 2858505556 in words is "two billion, eight hundred fifty-eight million, five hundred five thousand, five hundred fifty-six".