55065501505 has 48 divisors (see below), whose sum is σ = 78916571136. Its totient is φ = 36760859520.

The previous prime is 55065501473. The next prime is 55065501511. The reversal of 55065501505 is 50510556055.

It is not a de Polignac number, because 55065501505 - 2⁵ = 55065501473 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2186847 + ... + 2211883.

It is an arithmetic number, because the mean of its divisors is an integer number (1644095232).

Almost surely, 2^55065501505 is an apocalyptic number.

It is an amenable number.

55065501505 is a deficient number, since it is larger than the sum of its proper divisors (23851069631).

55065501505 is a wasteful number, since it uses less digits than its factorization.

55065501505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25294 (or 25287 counting only the distinct ones).

The product of its (nonzero) digits is 93750, while the sum is 37.

It can be divided in two parts, 5506550 and 1505, that added together give a palindrome (5508055).

The spelling of 55065501505 in words is "fifty-five billion, sixty-five million, five hundred one thousand, five hundred five".