55010516501555 has 4 divisors (see below), whose sum is σ = 66012619801872. Its totient is φ = 44008413201240.

The previous prime is 55010516501539. The next prime is 55010516501573. The reversal of 55010516501555 is 55510561501055.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 55010516501555 - 2⁴ = 55010516501539 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5501051650151 + ... + 5501051650160.

It is an arithmetic number, because the mean of its divisors is an integer number (16503154950468).

Almost surely, 2^{55010516501555} is an apocalyptic number.

55010516501555 is a deficient number, since it is larger than the sum of its proper divisors (11002103300317).

55010516501555 is a wasteful number, since it uses less digits than its factorization.

55010516501555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11002103300316.

The product of its (nonzero) digits is 468750, while the sum is 44.

The spelling of 55010516501555 in words is "fifty-five trillion, ten billion, five hundred sixteen million, five hundred one thousand, five hundred fifty-five".