55055605010505 has 32 divisors (see below), whose sum is σ = 96115110727680. Its totient is φ = 26688611474880.

The previous prime is 55055605010449. The next prime is 55055605010509. The reversal of 55055605010505 is 50501050655055.

It is a de Polignac number, because none of the positive numbers 2^k-55055605010505 is a prime.

It is a super-2 number, since 2×55055605010505² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55055605010509) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30464025 + ... + 32220614.

It is an arithmetic number, because the mean of its divisors is an integer number (3003597210240).

Almost surely, 2^{55055605010505} is an apocalyptic number.

55055605010505 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

55055605010505 is a deficient number, since it is larger than the sum of its proper divisors (41059505717175).

55055605010505 is a wasteful number, since it uses less digits than its factorization.

55055605010505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62689981.

The product of its (nonzero) digits is 468750, while the sum is 42.

The spelling of 55055605010505 in words is "fifty-five trillion, fifty-five billion, six hundred five million, ten thousand, five hundred five".