55065120155603 has 16 divisors (see below), whose sum is σ = 56083948403616. Its totient is φ = 54052125980160.

The previous prime is 55065120155581. The next prime is 55065120155657. The reversal of 55065120155603 is 30655102156055.

It is a cyclic number.

It is not a de Polignac number, because 55065120155603 - 2⁸ = 55065120155347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55065120158603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 182279963 + ... + 182581803.

It is an arithmetic number, because the mean of its divisors is an integer number (3505246775226).

Almost surely, 2^{55065120155603} is an apocalyptic number.

55065120155603 is a deficient number, since it is larger than the sum of its proper divisors (1018828248013).

55065120155603 is a wasteful number, since it uses less digits than its factorization.

55065120155603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311494.

The product of its (nonzero) digits is 675000, while the sum is 44.

The spelling of 55065120155603 in words is "fifty-five trillion, sixty-five billion, one hundred twenty million, one hundred fifty-five thousand, six hundred three".