424520055 has 48 divisors (see below), whose sum is σ = 775988640. Its totient is φ = 220195584.

The previous prime is 424520051. The next prime is 424520077. The reversal of 424520055 is 550025424.

It is not a de Polignac number, because 424520055 - 2² = 424520051 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424520051) 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 47 ways as a sum of consecutive naturals, for example, 183667 + ... + 185963.

It is an arithmetic number, because the mean of its divisors is an integer number (16166430).

Almost surely, 2^424520055 is an apocalyptic number.

424520055 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

424520055 is a deficient number, since it is larger than the sum of its proper divisors (351468585).

424520055 is a wasteful number, since it uses less digits than its factorization.

424520055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2385 (or 2342 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 27.

The square root of 424520055 is about 20603.8844638578. The cubic root of 424520055 is about 751.5641755387.

Adding to 424520055 its reverse (550025424), we get a palindrome (974545479).

The spelling of 424520055 in words is "four hundred twenty-four million, five hundred twenty thousand, fifty-five".