55424242455 has 16 divisors (see below), whose sum is σ = 88776152064. Its totient is φ = 29527141280.

The previous prime is 55424242421. The next prime is 55424242483.

It is a happy number.

55424242455 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 55424242455 - 2¹⁹ = 55423718167 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2014299 + ... + 2041628.

It is an arithmetic number, because the mean of its divisors is an integer number (5548509504).

Almost surely, 2^55424242455 is an apocalyptic number.

55424242455 is a deficient number, since it is larger than the sum of its proper divisors (33351909609).

55424242455 is a wasteful number, since it uses less digits than its factorization.

55424242455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4056846.

The product of its digits is 1280000, while the sum is 42.

The spelling of 55424242455 in words is "fifty-five billion, four hundred twenty-four million, two hundred forty-two thousand, four hundred fifty-five".