5105556 has 36 divisors (see below), whose sum is σ = 13257972. Its totient is φ = 1655424.

The previous prime is 5105531. The next prime is 5105561. The reversal of 5105556 is 6555015.

5105556 is a `hidden beast` number, since 5 + 105 + 556 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2944656 + 2160900 = 1716^2 + 1470^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 585 + ... + 3248.

It is an arithmetic number, because the mean of its divisors is an integer number (368277).

Almost surely, 2^5105556 is an apocalyptic number.

It is an amenable number.

5105556 is an abundant number, since it is smaller than the sum of its proper divisors (8152416).

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

5105556 is a wasteful number, since it uses less digits than its factorization.

5105556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3880 (or 3875 counting only the distinct ones).

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

The square root of 5105556 is about 2259.5477423591. The cubic root of 5105556 is about 172.1925462260.

The spelling of 5105556 in words is "five million, one hundred five thousand, five hundred fifty-six".