556338155 has 4 divisors (see below), whose sum is σ = 667605792. Its totient is φ = 445070520.

The previous prime is 556338091. The next prime is 556338161. The reversal of 556338155 is 551833655.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 556338155 - 2⁶ = 556338091 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55633811 + ... + 55633820.

It is an arithmetic number, because the mean of its divisors is an integer number (166901448).

Almost surely, 2^556338155 is an apocalyptic number.

556338155 is a deficient number, since it is larger than the sum of its proper divisors (111267637).

556338155 is a wasteful number, since it uses less digits than its factorization.

556338155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111267636.

The product of its digits is 270000, while the sum is 41.

The square root of 556338155 is about 23586.8216383641. The cubic root of 556338155 is about 822.4565215697.

The spelling of 556338155 in words is "five hundred fifty-six million, three hundred thirty-eight thousand, one hundred fifty-five".