55542106917 has 64 divisors (see below), whose sum is σ = 91166208000. Its totient is φ = 33416705520.

The previous prime is 55542106897. The next prime is 55542106927. The reversal of 55542106917 is 71960124555.

It is a happy number.

55542106917 is a `hidden beast` number, since 5 + 5 + 542 + 10 + 6 + 91 + 7 = 666.

55542106917 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55542106917 - 2⁸ = 55542106661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55542106927) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4989684 + ... + 5000802.

It is an arithmetic number, because the mean of its divisors is an integer number (1424472000).

Almost surely, 2^55542106917 is an apocalyptic number.

It is an amenable number.

55542106917 is a deficient number, since it is larger than the sum of its proper divisors (35624101083).

55542106917 is a wasteful number, since it uses less digits than its factorization.

55542106917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11300 (or 11272 counting only the distinct ones).

The product of its (nonzero) digits is 378000, while the sum is 45.

The spelling of 55542106917 in words is "fifty-five billion, five hundred forty-two million, one hundred six thousand, nine hundred seventeen".