55059770555 has 4 divisors (see below), whose sum is σ = 66071724672. Its totient is φ = 44047816440.

The previous prime is 55059770509. The next prime is 55059770599. The reversal of 55059770555 is 55507795055.

It is a happy number.

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

It is not a de Polignac number, because 55059770555 - 2⁸ = 55059770299 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55059770497 and 55059770506.

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, 5505977051 + ... + 5505977060.

It is an arithmetic number, because the mean of its divisors is an integer number (16517931168).

Almost surely, 2^55059770555 is an apocalyptic number.

55059770555 is a deficient number, since it is larger than the sum of its proper divisors (11011954117).

55059770555 is a wasteful number, since it uses less digits than its factorization.

55059770555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11011954116.

The product of its (nonzero) digits is 6890625, while the sum is 53.

The spelling of 55059770555 in words is "fifty-five billion, fifty-nine million, seven hundred seventy thousand, five hundred fifty-five".