55123155002 has 8 divisors (see below), whose sum is σ = 82685728800. Its totient is φ = 27561245404.

The previous prime is 55123154987. The next prime is 55123155013. The reversal of 55123155002 is 20055132155.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 240899 + ... + 410217.

It is an arithmetic number, because the mean of its divisors is an integer number (10335716100).

Almost surely, 2^55123155002 is an apocalyptic number.

55123155002 is a deficient number, since it is larger than the sum of its proper divisors (27562573798).

55123155002 is a wasteful number, since it uses less digits than its factorization.

55123155002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332100.

The product of its (nonzero) digits is 7500, while the sum is 29.

Adding to 55123155002 its reverse (20055132155), we get a palindrome (75178287157).

The spelling of 55123155002 in words is "fifty-five billion, one hundred twenty-three million, one hundred fifty-five thousand, two".