55122463427 has 4 divisors (see below), whose sum is σ = 55126232280. Its totient is φ = 55118694576.

The previous prime is 55122463397. The next prime is 55122463441. The reversal of 55122463427 is 72436422155.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55122463427 - 2¹² = 55122459331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55122463027) by changing a digit.

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, 1862402 + ... + 1891767.

It is an arithmetic number, because the mean of its divisors is an integer number (13781558070).

Almost surely, 2^55122463427 is an apocalyptic number.

55122463427 is a deficient number, since it is larger than the sum of its proper divisors (3768853).

55122463427 is a wasteful number, since it uses less digits than its factorization.

55122463427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3768852.

The product of its digits is 403200, while the sum is 41.

The spelling of 55122463427 in words is "fifty-five billion, one hundred twenty-two million, four hundred sixty-three thousand, four hundred twenty-seven".