55105600511 has 8 divisors (see below), whose sum is σ = 60350332560. Its totient is φ = 50004559872.

The previous prime is 55105600493. The next prime is 55105600519. The reversal of 55105600511 is 11500650155.

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 55105600511 - 2²² = 55101406207 is a prime.

It is a super-2 number, since 2×55105600511² (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 (55105600519) 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 7 ways as a sum of consecutive naturals, for example, 35922050 + ... + 35923583.

It is an arithmetic number, because the mean of its divisors is an integer number (7543791570).

Almost surely, 2^55105600511 is an apocalyptic number.

55105600511 is a deficient number, since it is larger than the sum of its proper divisors (5244732049).

55105600511 is a wasteful number, since it uses less digits than its factorization.

55105600511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71845705.

The product of its (nonzero) digits is 3750, while the sum is 29.

The spelling of 55105600511 in words is "fifty-five billion, one hundred five million, six hundred thousand, five hundred eleven".