55451363612422 has 32 divisors (see below), whose sum is σ = 86881431087360. Its totient is φ = 26493334005600.

The previous prime is 55451363612363. The next prime is 55451363612423. The reversal of 55451363612422 is 22421636315455.

55451363612422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55451363612423) 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 15 ways as a sum of consecutive naturals, for example, 1178313529 + ... + 1178360587.

It is an arithmetic number, because the mean of its divisors is an integer number (2715044721480).

Almost surely, 2^{55451363612422} is an apocalyptic number.

55451363612422 is a deficient number, since it is larger than the sum of its proper divisors (31430067474938).

55451363612422 is a wasteful number, since it uses less digits than its factorization.

55451363612422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72508.

The product of its digits is 5184000, while the sum is 49.

Adding to 55451363612422 its reverse (22421636315455), we get a palindrome (77872999927877).

The spelling of 55451363612422 in words is "fifty-five trillion, four hundred fifty-one billion, three hundred sixty-three million, six hundred twelve thousand, four hundred twenty-two".