55556574075 has 18 divisors (see below), whose sum is σ = 99507997524. Its totient is φ = 29630172720.

The previous prime is 55556574071. The next prime is 55556574079. The reversal of 55556574075 is 57047565555.

55556574075 is a `hidden beast` number, since 5 + 5 + 5 + 565 + 7 + 4 + 0 + 75 = 666.

It is an interprime number because it is at equal distance from previous prime (55556574071) and next prime (55556574079).

It is not a de Polignac number, because 55556574075 - 2² = 55556574071 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (55556574071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 123458829 + ... + 123459278.

Almost surely, 2^55556574075 is an apocalyptic number.

55556574075 is a deficient number, since it is larger than the sum of its proper divisors (43951423449).

55556574075 is a wasteful number, since it uses less digits than its factorization.

55556574075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246918123 (or 246918115 counting only the distinct ones).

The product of its (nonzero) digits is 18375000, while the sum is 54.

The spelling of 55556574075 in words is "fifty-five billion, five hundred fifty-six million, five hundred seventy-four thousand, seventy-five".