556839101 has 16 divisors (see below), whose sum is σ = 685918464. Its totient is φ = 440204544.

The previous prime is 556839089. The next prime is 556839113. The reversal of 556839101 is 101938655.

It is an interprime number because it is at equal distance from previous prime (556839089) and next prime (556839113).

It is a de Polignac number, because none of the positive numbers 2^k-556839101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556839181) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 166421 + ... + 169733.

It is an arithmetic number, because the mean of its divisors is an integer number (42869904).

Almost surely, 2^556839101 is an apocalyptic number.

It is an amenable number.

556839101 is a deficient number, since it is larger than the sum of its proper divisors (129079363).

556839101 is a wasteful number, since it uses less digits than its factorization.

556839101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5180.

The product of its (nonzero) digits is 32400, while the sum is 38.

The square root of 556839101 is about 23597.4384414919. The cubic root of 556839101 is about 822.7033035561.

The spelling of 556839101 in words is "five hundred fifty-six million, eight hundred thirty-nine thousand, one hundred one".