556475574655 has 64 divisors (see below), whose sum is σ = 905465143296. Its totient is φ = 317039040000.

The previous prime is 556475574637. The next prime is 556475574673.

556475574655 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (556475574637) and next prime (556475574673).

It is not a de Polignac number, because 556475574655 - 2¹⁷ = 556475443583 is a prime.

It is a super-2 number, since 2×556475574655² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 44911 + ... + 1055920.

It is an arithmetic number, because the mean of its divisors is an integer number (14147892864).

Almost surely, 2^556475574655 is an apocalyptic number.

556475574655 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

556475574655 is a deficient number, since it is larger than the sum of its proper divisors (348989568641).

556475574655 is a wasteful number, since it uses less digits than its factorization.

556475574655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1100968.

The product of its digits is 441000000, while the sum is 64.

The spelling of 556475574655 in words is "five hundred fifty-six billion, four hundred seventy-five million, five hundred seventy-four thousand, six hundred fifty-five".