556424424655 has 16 divisors (see below), whose sum is σ = 728507959200. Its totient is φ = 404617973760.

The previous prime is 556424424641. The next prime is 556424424667.

556424424655 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 556424424655 - 2⁵ = 556424424623 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 263550 + ... + 1087339.

It is an arithmetic number, because the mean of its divisors is an integer number (45531747450).

Almost surely, 2^556424424655 is an apocalyptic number.

556424424655 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

556424424655 is a deficient number, since it is larger than the sum of its proper divisors (172083534545).

556424424655 is a wasteful number, since it uses less digits than its factorization.

556424424655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1358394.

The product of its digits is 23040000, while the sum is 52.

The spelling of 556424424655 in words is "five hundred fifty-six billion, four hundred twenty-four million, four hundred twenty-four thousand, six hundred fifty-five".