55505560010557 has 8 divisors (see below), whose sum is σ = 55539486192096. Its totient is φ = 55471634587152.

The previous prime is 55505560010539. The next prime is 55505560010591. The reversal of 55505560010557 is 75501006550555.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55505560010557 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55505560010557.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55505560010597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 234306823 + ... + 234543595.

It is an arithmetic number, because the mean of its divisors is an integer number (6942435774012).

Almost surely, 2^{55505560010557} is an apocalyptic number.

It is an amenable number.

55505560010557 is a deficient number, since it is larger than the sum of its proper divisors (33926181539).

55505560010557 is a wasteful number, since it uses less digits than its factorization.

55505560010557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379067.

The product of its (nonzero) digits is 3281250, while the sum is 49.

The spelling of 55505560010557 in words is "fifty-five trillion, five hundred five billion, five hundred sixty million, ten thousand, five hundred fifty-seven".