556106155055 has 32 divisors (see below), whose sum is σ = 743353374528. Its totient is φ = 395988480000.

The previous prime is 556106155027. The next prime is 556106155067. The reversal of 556106155055 is 550551601655.

It is not a de Polignac number, because 556106155055 - 2¹⁸ = 556105892911 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 556106154997 and 556106155015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44555 + ... + 1055555.

It is an arithmetic number, because the mean of its divisors is an integer number (23229792954).

Almost surely, 2^556106155055 is an apocalyptic number.

556106155055 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

556106155055 is a deficient number, since it is larger than the sum of its proper divisors (187247219473).

556106155055 is a wasteful number, since it uses less digits than its factorization.

556106155055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011227.

The product of its (nonzero) digits is 562500, while the sum is 44.

The spelling of 556106155055 in words is "five hundred fifty-six billion, one hundred six million, one hundred fifty-five thousand, fifty-five".