55606115555 has 4 divisors (see below), whose sum is σ = 66727338672. Its totient is φ = 44484892440.

The previous prime is 55606115549. The next prime is 55606115563. The reversal of 55606115555 is 55551160655.

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

It is a de Polignac number, because none of the positive numbers 2^k-55606115555 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, 5560611551 + ... + 5560611560.

It is an arithmetic number, because the mean of its divisors is an integer number (16681834668).

Almost surely, 2^55606115555 is an apocalyptic number.

55606115555 is a deficient number, since it is larger than the sum of its proper divisors (11121223117).

55606115555 is a wasteful number, since it uses less digits than its factorization.

55606115555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11121223116.

The product of its (nonzero) digits is 562500, while the sum is 44.

The spelling of 55606115555 in words is "fifty-five billion, six hundred six million, one hundred fifteen thousand, five hundred fifty-five".