55146624229 has 4 divisors (see below), whose sum is σ = 55160948160. Its totient is φ = 55132300300.

The previous prime is 55146624227. The next prime is 55146624251. The reversal of 55146624229 is 92242664155.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 92242664155 = 5 ⋅18448532831.

It is a cyclic number.

It is not a de Polignac number, because 55146624229 - 2¹ = 55146624227 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55146624227) 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 3 ways as a sum of consecutive naturals, for example, 7156189 + ... + 7163890.

It is an arithmetic number, because the mean of its divisors is an integer number (13790237040).

Almost surely, 2^55146624229 is an apocalyptic number.

It is an amenable number.

55146624229 is a deficient number, since it is larger than the sum of its proper divisors (14323931).

55146624229 is a wasteful number, since it uses less digits than its factorization.

55146624229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14323930.

The product of its digits is 1036800, while the sum is 46.

The spelling of 55146624229 in words is "fifty-five billion, one hundred forty-six million, six hundred twenty-four thousand, two hundred twenty-nine".