556516155 has 24 divisors (see below), whose sum is σ = 964193328. Its totient is φ = 273975936.

The previous prime is 556516141. The next prime is 556516183. The reversal of 556516155 is 551615655.

556516155 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 556516155 - 2⁴ = 556516139 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 107232 + ... + 112301.

It is an arithmetic number, because the mean of its divisors is an integer number (40174722).

Almost surely, 2^556516155 is an apocalyptic number.

556516155 is a deficient number, since it is larger than the sum of its proper divisors (407677173).

556516155 is a wasteful number, since it uses less digits than its factorization.

556516155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219567 (or 219554 counting only the distinct ones).

The product of its digits is 112500, while the sum is 39.

The square root of 556516155 is about 23590.5946300639. The cubic root of 556516155 is about 822.5442270112.

The spelling of 556516155 in words is "five hundred fifty-six million, five hundred sixteen thousand, one hundred fifty-five".