55455135420422 has 8 divisors (see below), whose sum is σ = 83182734903216. Its totient is φ = 27727557119352.

The previous prime is 55455135420413. The next prime is 55455135420457. The reversal of 55455135420422 is 22402453155455.

55455135420422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

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, 6542228 + ... + 12398024.

It is an arithmetic number, because the mean of its divisors is an integer number (10397841862902).

Almost surely, 2^{55455135420422} is an apocalyptic number.

55455135420422 is a deficient number, since it is larger than the sum of its proper divisors (27727599482794).

55455135420422 is a wasteful number, since it uses less digits than its factorization.

55455135420422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10590862.

The product of its (nonzero) digits is 4800000, while the sum is 47.

Adding to 55455135420422 its reverse (22402453155455), we get a palindrome (77857588575877).

The spelling of 55455135420422 in words is "fifty-five trillion, four hundred fifty-five billion, one hundred thirty-five million, four hundred twenty thousand, four hundred twenty-two".