55005511051 has 4 divisors (see below), whose sum is σ = 55067805832. Its totient is φ = 54943216272.

The previous prime is 55005511019. The next prime is 55005511123. The reversal of 55005511051 is 15011550055.

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

It is a cyclic number.

It is not a de Polignac number, because 55005511051 - 2⁵ = 55005511019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55005571051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31146066 + ... + 31147831.

It is an arithmetic number, because the mean of its divisors is an integer number (13766951458).

Almost surely, 2^55005511051 is an apocalyptic number.

55005511051 is a deficient number, since it is larger than the sum of its proper divisors (62294781).

55005511051 is an equidigital number, since it uses as much as digits as its factorization.

55005511051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62294780.

The product of its (nonzero) digits is 3125, while the sum is 28.

The spelling of 55005511051 in words is "fifty-five billion, five million, five hundred eleven thousand, fifty-one".