55055005550545 has 32 divisors (see below), whose sum is σ = 88704008951040. Its totient is φ = 31680003191040.

The previous prime is 55055005550537. The next prime is 55055005550651. The reversal of 55055005550545 is 54505550055055.

It is not a de Polignac number, because 55055005550545 - 2³ = 55055005550537 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5499995550 + ... + 5500005559.

It is an arithmetic number, because the mean of its divisors is an integer number (2772000279720).

Almost surely, 2^{55055005550545} is an apocalyptic number.

55055005550545 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

55055005550545 is a deficient number, since it is larger than the sum of its proper divisors (33649003400495).

55055005550545 is a wasteful number, since it uses less digits than its factorization.

55055005550545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11000001145.

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

The spelling of 55055005550545 in words is "fifty-five trillion, fifty-five billion, five million, five hundred fifty thousand, five hundred forty-five".