55550500505554 has 32 divisors (see below), whose sum is σ = 84726258279552. Its totient is φ = 27308788416000.

The previous prime is 55550500505519. The next prime is 55550500505561. The reversal of 55550500505554 is 45550500505555.

It is a junction number, because it is equal to n+sod(n) for n = 55550500505498 and 55550500505507.

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, 4695328419 + ... + 4695340249.

It is an arithmetic number, because the mean of its divisors is an integer number (2647695571236).

Almost surely, 2^{55550500505554} is an apocalyptic number.

55550500505554 is a deficient number, since it is larger than the sum of its proper divisors (29175757773998).

55550500505554 is a wasteful number, since it uses less digits than its factorization.

55550500505554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24322.

The product of its (nonzero) digits is 7812500, while the sum is 49.

Subtracting from 55550500505554 its reverse (45550500505555), we obtain a palindrome (9999999999999).

The spelling of 55550500505554 in words is "fifty-five trillion, five hundred fifty billion, five hundred million, five hundred five thousand, five hundred fifty-four".