55133034121 has 8 divisors (see below), whose sum is σ = 60162213600. Its totient is φ = 50106702240.

The previous prime is 55133034119. The next prime is 55133034181. The reversal of 55133034121 is 12143033155.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 55133034121 - 2¹ = 55133034119 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55133034121.

It is not an unprimeable number, because it can be changed into a prime (55133034181) 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 7 ways as a sum of consecutive naturals, for example, 671311 + ... + 748948.

It is an arithmetic number, because the mean of its divisors is an integer number (7520276700).

Almost surely, 2^55133034121 is an apocalyptic number.

It is an amenable number.

55133034121 is a deficient number, since it is larger than the sum of its proper divisors (5029179479).

55133034121 is a wasteful number, since it uses less digits than its factorization.

55133034121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1423799.

The product of its (nonzero) digits is 5400, while the sum is 28.

Adding to 55133034121 its reverse (12143033155), we get a palindrome (67276067276).

It can be divided in two parts, 55133034 and 121, that added together give a palindrome (55133155).

The spelling of 55133034121 in words is "fifty-five billion, one hundred thirty-three million, thirty-four thousand, one hundred twenty-one".