55550505055005 has 48 divisors (see below), whose sum is σ = 96335776293120. Its totient is φ = 29612098558464.

The previous prime is 55550505054911. The next prime is 55550505055007. The reversal of 55550505055005 is 50055050505555.

It is not a de Polignac number, because 55550505055005 - 2²¹ = 55550502957853 is a prime.

It is a super-2 number, since 2×55550505055005² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55550505055007) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 780683509 + ... + 780754661.

It is an arithmetic number, because the mean of its divisors is an integer number (2006995339440).

Almost surely, 2^{55550505055005} is an apocalyptic number.

It is an amenable number.

55550505055005 is a deficient number, since it is larger than the sum of its proper divisors (40785271238115).

55550505055005 is a wasteful number, since it uses less digits than its factorization.

55550505055005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79610 (or 79607 counting only the distinct ones).

The product of its (nonzero) digits is 1953125, while the sum is 45.

The spelling of 55550505055005 in words is "fifty-five trillion, five hundred fifty billion, five hundred five million, fifty-five thousand, five".