55055500550619 has 32 divisors (see below), whose sum is σ = 74380093931520. Its totient is φ = 36217838272512.

The previous prime is 55055500550459. The next prime is 55055500550629. The reversal of 55055500550619 is 91605500555055.

It is a happy number.

55055500550619 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55055500550619 - 2¹⁵ = 55055500517851 is a prime.

It is a super-2 number, since 2×55055500550619² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55055500550629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4674826459 + ... + 4674838235.

It is an arithmetic number, because the mean of its divisors is an integer number (2324377935360).

Almost surely, 2^{55055500550619} is an apocalyptic number.

55055500550619 is a deficient number, since it is larger than the sum of its proper divisors (19324593380901).

55055500550619 is a wasteful number, since it uses less digits than its factorization.

55055500550619 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21739.

The product of its (nonzero) digits is 4218750, while the sum is 51.

The spelling of 55055500550619 in words is "fifty-five trillion, fifty-five billion, five hundred million, five hundred fifty thousand, six hundred nineteen".