55605110551 has 4 divisors (see below), whose sum is σ = 55614245704. Its totient is φ = 55595975400.

The previous prime is 55605110527. The next prime is 55605110597. The reversal of 55605110551 is 15501150655.

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

It is a cyclic number.

It is not a de Polignac number, because 55605110551 - 2¹⁹ = 55604586263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55605117551) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 4558440 + ... + 4570621.

It is an arithmetic number, because the mean of its divisors is an integer number (13903561426).

Almost surely, 2^55605110551 is an apocalyptic number.

55605110551 is a deficient number, since it is larger than the sum of its proper divisors (9135153).

55605110551 is an equidigital number, since it uses as much as digits as its factorization.

55605110551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9135152.

The product of its (nonzero) digits is 18750, while the sum is 34.

The spelling of 55605110551 in words is "fifty-five billion, six hundred five million, one hundred ten thousand, five hundred fifty-one".