55105423004 has 12 divisors (see below), whose sum is σ = 97170632328. Its totient is φ = 27342385200.

The previous prime is 55105423001. The next prime is 55105423019. The reversal of 55105423004 is 40032450155.

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 3 ways as a sum of consecutive naturals, for example, 52580987 + ... + 52582034.

It is an arithmetic number, because the mean of its divisors is an integer number (8097552694).

Almost surely, 2^55105423004 is an apocalyptic number.

It is an amenable number.

55105423004 is a deficient number, since it is larger than the sum of its proper divisors (42065209324).

55105423004 is a wasteful number, since it uses less digits than its factorization.

55105423004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105163156 (or 105163154 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

Adding to 55105423004 its reverse (40032450155), we get a palindrome (95137873159).

The spelling of 55105423004 in words is "fifty-five billion, one hundred five million, four hundred twenty-three thousand, four".