55105423005 has 32 divisors (see below), whose sum is σ = 88892463744. Its totient is φ = 29148686336.

The previous prime is 55105423001. The next prime is 55105423019. The reversal of 55105423005 is 50032450155.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 55105423005 - 2² = 55105423001 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55105423001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2378437 + ... + 2401493.

It is an arithmetic number, because the mean of its divisors is an integer number (2777889492).

Almost surely, 2^55105423005 is an apocalyptic number.

It is an amenable number.

55105423005 is a deficient number, since it is larger than the sum of its proper divisors (33787040739).

55105423005 is a wasteful number, since it uses less digits than its factorization.

55105423005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24365.

The product of its (nonzero) digits is 15000, while the sum is 30.

The spelling of 55105423005 in words is "fifty-five billion, one hundred five million, four hundred twenty-three thousand, five".