55605055511 has 8 divisors (see below), whose sum is σ = 58569601920. Its totient is φ = 52644305592.

The previous prime is 55605055487. The next prime is 55605055573. The reversal of 55605055511 is 11555050655.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 55605055511 - 2¹⁰ = 55605054487 is a prime.

It is a super-2 number, since 2×55605055511² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55605015511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 919025 + ... + 977658.

It is an arithmetic number, because the mean of its divisors is an integer number (7321200240).

Almost surely, 2^55605055511 is an apocalyptic number.

55605055511 is a deficient number, since it is larger than the sum of its proper divisors (2964546409).

55605055511 is a wasteful number, since it uses less digits than its factorization.

55605055511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1898245.

The product of its (nonzero) digits is 93750, while the sum is 38.

The spelling of 55605055511 in words is "fifty-five billion, six hundred five million, fifty-five thousand, five hundred eleven".