55251201353122 has 8 divisors (see below), whose sum is σ = 82879541577756. Its totient is φ = 27624687493872.

The previous prime is 55251201353083. The next prime is 55251201353123. The reversal of 55251201353122 is 22135310215255.

It can be written as a sum of positive squares in 2 ways, for example, as 54700534952361 + 550666400761 = 7395981^2 + 742069^2 .

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

It is not an unprimeable number, because it can be changed into a prime (55251201353123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 456515713 + ... + 456636724.

Almost surely, 2^{55251201353122} is an apocalyptic number.

55251201353122 is a deficient number, since it is larger than the sum of its proper divisors (27628340224634).

55251201353122 is a wasteful number, since it uses less digits than its factorization.

55251201353122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 913182692.

The product of its (nonzero) digits is 90000, while the sum is 37.

Adding to 55251201353122 its reverse (22135310215255), we get a palindrome (77386511568377).

The spelling of 55251201353122 in words is "fifty-five trillion, two hundred fifty-one billion, two hundred one million, three hundred fifty-three thousand, one hundred twenty-two".