55005051055 has 4 divisors (see below), whose sum is σ = 66006061272. Its totient is φ = 44004040840.

The previous prime is 55005051047. The next prime is 55005051061. The reversal of 55005051055 is 55015050055.

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

It is not a de Polignac number, because 55005051055 - 2³ = 55005051047 is a prime.

It is a super-2 number, since 2×55005051055² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent 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, 5500505101 + ... + 5500505110.

It is an arithmetic number, because the mean of its divisors is an integer number (16501515318).

Almost surely, 2^55005051055 is an apocalyptic number.

55005051055 is a deficient number, since it is larger than the sum of its proper divisors (11001010217).

55005051055 is a wasteful number, since it uses less digits than its factorization.

55005051055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11001010216.

The product of its (nonzero) digits is 15625, while the sum is 31.

The spelling of 55005051055 in words is "fifty-five billion, five million, fifty-one thousand, fifty-five".