556122755 has 8 divisors (see below), whose sum is σ = 667543632. Its totient is φ = 444767328.

The previous prime is 556122739. The next prime is 556122757. The reversal of 556122755 is 557221655.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 556122755 - 2⁴ = 556122739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (556122757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4832 + ... + 33698.

It is an arithmetic number, because the mean of its divisors is an integer number (83442954).

Almost surely, 2^556122755 is an apocalyptic number.

556122755 is a deficient number, since it is larger than the sum of its proper divisors (111420877).

556122755 is a wasteful number, since it uses less digits than its factorization.

556122755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32725.

The product of its digits is 105000, while the sum is 38.

The square root of 556122755 is about 23582.2550872473. The cubic root of 556122755 is about 822.3503631110.

The spelling of 556122755 in words is "five hundred fifty-six million, one hundred twenty-two thousand, seven hundred fifty-five".