55050555505505 has 16 divisors (see below), whose sum is σ = 76245408705024. Its totient is φ = 37375200340800.

The previous prime is 55050555505489. The next prime is 55050555505531. The reversal of 55050555505505 is 50550555505055.

It is not a de Polignac number, because 55050555505505 - 2⁴ = 55050555505489 is a prime.

It is a super-2 number, since 2×55050555505505² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7786496537 + ... + 7786503606.

It is an arithmetic number, because the mean of its divisors is an integer number (4765338044064).

Almost surely, 2^{55050555505505} is an apocalyptic number.

It is an amenable number.

55050555505505 is a deficient number, since it is larger than the sum of its proper divisors (21194853199519).

55050555505505 is a wasteful number, since it uses less digits than its factorization.

55050555505505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15573000256.

The product of its (nonzero) digits is 9765625, while the sum is 50.

The spelling of 55050555505505 in words is "fifty-five trillion, fifty billion, five hundred fifty-five million, five hundred five thousand, five hundred five".