55100105105 has 8 divisors (see below), whose sum is σ = 66455762472. Its totient is φ = 43856326528.

The previous prime is 55100105069. The next prime is 55100105113. The reversal of 55100105105 is 50150100155.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 36163868224 + 18936236881 = 190168^2 + 137609^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55100105105 - 2⁸ = 55100104849 is a prime.

It is a super-2 number, since 2×55100105105² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27968612 + ... + 27970581.

It is an arithmetic number, because the mean of its divisors is an integer number (8306970309).

Almost surely, 2^55100105105 is an apocalyptic number.

It is an amenable number.

55100105105 is a deficient number, since it is larger than the sum of its proper divisors (11355657367).

55100105105 is a wasteful number, since it uses less digits than its factorization.

55100105105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55939395.

The product of its (nonzero) digits is 625, while the sum is 23.

The spelling of 55100105105 in words is "fifty-five billion, one hundred million, one hundred five thousand, one hundred five".