55005279679 has 32 divisors (see below), whose sum is σ = 68312595456. Its totient is φ = 43221373440.

The previous prime is 55005279569. The next prime is 55005279761. The reversal of 55005279679 is 97697250055.

It is not a de Polignac number, because 55005279679 - 2²⁵ = 54971725247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55005271679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 662049 + ... + 740485.

It is an arithmetic number, because the mean of its divisors is an integer number (2134768608).

Almost surely, 2^55005279679 is an apocalyptic number.

55005279679 is a deficient number, since it is larger than the sum of its proper divisors (13307315777).

55005279679 is a wasteful number, since it uses less digits than its factorization.

55005279679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78615.

The product of its (nonzero) digits is 5953500, while the sum is 55.

The spelling of 55005279679 in words is "fifty-five billion, five million, two hundred seventy-nine thousand, six hundred seventy-nine".