55510610555 has 4 divisors (see below), whose sum is σ = 66612732672. Its totient is φ = 44408488440.

The previous prime is 55510610537. The next prime is 55510610569. The reversal of 55510610555 is 55501601555.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55501601555 = 5 ⋅11100320311.

It is not a de Polignac number, because 55510610555 - 2²⁰ = 55509561979 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, 5551061051 + ... + 5551061060.

It is an arithmetic number, because the mean of its divisors is an integer number (16653183168).

Almost surely, 2^55510610555 is an apocalyptic number.

55510610555 is a deficient number, since it is larger than the sum of its proper divisors (11102122117).

55510610555 is a wasteful number, since it uses less digits than its factorization.

55510610555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11102122116.

The product of its (nonzero) digits is 93750, while the sum is 38.

The spelling of 55510610555 in words is "fifty-five billion, five hundred ten million, six hundred ten thousand, five hundred fifty-five".