1050005556 has 18 divisors (see below), whose sum is σ = 2654180802. Its totient is φ = 350001840.

The previous prime is 1050005549. The next prime is 1050005563. The reversal of 1050005556 is 6555000501.

1050005556 is a `hidden beast` number, since 105 + 0 + 0 + 0 + 5 + 556 = 666.

1050005556 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1050005549) and next prime (1050005563).

It can be written as a sum of positive squares in only one way, i.e., 706496400 + 343509156 = 26580^2 + 18534^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×1050005556² = 2205023335261738272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14583375 + ... + 14583446.

It is an arithmetic number, because the mean of its divisors is an integer number (147454489).

Almost surely, 2^1050005556 is an apocalyptic number.

It is an amenable number.

1050005556 is an abundant number, since it is smaller than the sum of its proper divisors (1604175246).

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

1050005556 is a wasteful number, since it uses less digits than its factorization.

1050005556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29166831 (or 29166826 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 27.

The square root of 1050005556 is about 32403.7892228671. The cubic root of 1050005556 is about 1016.3981495413.

The spelling of 1050005556 in words is "one billion, fifty million, five thousand, five hundred fifty-six".