55399058156123 has 8 divisors (see below), whose sum is σ = 62384863143936. Its totient is φ = 48738174330600.

The previous prime is 55399058156089. The next prime is 55399058156131. The reversal of 55399058156123 is 32165185099355.

It is a happy number.

55399058156123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 55399058156123 - 2¹² = 55399058152027 is a prime.

It is a super-2 number, since 2×55399058156123² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55399058356123) 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 7 ways as a sum of consecutive naturals, for example, 81230290211 + ... + 81230290892.

It is an arithmetic number, because the mean of its divisors is an integer number (7798107892992).

Almost surely, 2^{55399058156123} is an apocalyptic number.

55399058156123 is a deficient number, since it is larger than the sum of its proper divisors (6985804987813).

55399058156123 is a wasteful number, since it uses less digits than its factorization.

55399058156123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162460581145.

The product of its (nonzero) digits is 43740000, while the sum is 62.

The spelling of 55399058156123 in words is "fifty-five trillion, three hundred ninety-nine billion, fifty-eight million, one hundred fifty-six thousand, one hundred twenty-three".