55255342429 has 4 divisors (see below), whose sum is σ = 63148962784. Its totient is φ = 47361722076.

The previous prime is 55255342391. The next prime is 55255342433. The reversal of 55255342429 is 92424355255.

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: 92424355255 = 5 ⋅18484871051.

It is a cyclic number.

It is not a de Polignac number, because 55255342429 - 2²⁷ = 55121124701 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 (55255342469) 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, 3946810167 + ... + 3946810180.

It is an arithmetic number, because the mean of its divisors is an integer number (15787240696).

Almost surely, 2^55255342429 is an apocalyptic number.

It is an amenable number.

55255342429 is a deficient number, since it is larger than the sum of its proper divisors (7893620355).

55255342429 is an equidigital number, since it uses as much as digits as its factorization.

55255342429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7893620354.

The product of its digits is 2160000, while the sum is 46.

The spelling of 55255342429 in words is "fifty-five billion, two hundred fifty-five million, three hundred forty-two thousand, four hundred twenty-nine".