55655055654 has 16 divisors (see below), whose sum is σ = 121429212480. Its totient is φ = 16865168360.

The previous prime is 55655055613. The next prime is 55655055697. The reversal of 55655055654 is 45655055655.

It is a happy number.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 55655055597 and 55655055606.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 421629144 + ... + 421629275.

It is an arithmetic number, because the mean of its divisors is an integer number (7589325780).

Almost surely, 2^55655055654 is an apocalyptic number.

55655055654 is an abundant number, since it is smaller than the sum of its proper divisors (65774156826).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55655055654 is a wasteful number, since it uses less digits than its factorization.

55655055654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 843258435.

The product of its (nonzero) digits is 11250000, while the sum is 51.

Subtracting from 55655055654 its reverse (45655055655), we obtain a palindrome (9999999999).

The spelling of 55655055654 in words is "fifty-five billion, six hundred fifty-five million, fifty-five thousand, six hundred fifty-four".