55055000050505 has 16 divisors (see below), whose sum is σ = 81312000075264. Its totient is φ = 34848000031680.

The previous prime is 55055000050423. The next prime is 55055000050507. The reversal of 55055000050505 is 50505000055055.

55055000050505 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 55055000050505 - 2³⁰ = 55053926308681 is a prime.

It is a super-2 number, since 2×55055000050505² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is not an unprimeable number, because it can be changed into a prime (55055000050507) 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 15 ways as a sum of consecutive naturals, for example, 60499999601 + ... + 60500000510.

It is an arithmetic number, because the mean of its divisors is an integer number (5082000004704).

Almost surely, 2^{55055000050505} is an apocalyptic number.

It is an amenable number.

55055000050505 is a deficient number, since it is larger than the sum of its proper divisors (26257000024759).

55055000050505 is a wasteful number, since it uses less digits than its factorization.

55055000050505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121000000136.

The product of its (nonzero) digits is 78125, while the sum is 35.

The spelling of 55055000050505 in words is "fifty-five trillion, fifty-five billion, fifty thousand, five hundred five".