55122154143 has 8 divisors (see below), whose sum is σ = 83995663488. Its totient is φ = 31498373784.

The previous prime is 55122154117. The next prime is 55122154147. The reversal of 55122154143 is 34145122155.

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

It is not a de Polignac number, because 55122154143 - 2¹³ = 55122145951 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55122154147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1312432221 + ... + 1312432262.

It is an arithmetic number, because the mean of its divisors is an integer number (10499457936).

Almost surely, 2^55122154143 is an apocalyptic number.

55122154143 is a deficient number, since it is larger than the sum of its proper divisors (28873509345).

55122154143 is a wasteful number, since it uses less digits than its factorization.

55122154143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2624864493.

The product of its digits is 24000, while the sum is 33.

Adding to 55122154143 its reverse (34145122155), we get a palindrome (89267276298).

The spelling of 55122154143 in words is "fifty-five billion, one hundred twenty-two million, one hundred fifty-four thousand, one hundred forty-three".