55333125621311 has 8 divisors (see below), whose sum is σ = 55976542700400. Its totient is φ = 54690190688320.

The previous prime is 55333125621287. The next prime is 55333125621313. The reversal of 55333125621311 is 11312652133355.

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 55333125621311 - 2¹⁸ = 55333125359167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55333125621313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120305660 + ... + 120764721.

It is an arithmetic number, because the mean of its divisors is an integer number (6997067837550).

Almost surely, 2^{55333125621311} is an apocalyptic number.

55333125621311 is a deficient number, since it is larger than the sum of its proper divisors (643417079089).

55333125621311 is a wasteful number, since it uses less digits than its factorization.

55333125621311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241073049.

The product of its digits is 243000, while the sum is 41.

Adding to 55333125621311 its reverse (11312652133355), we get a palindrome (66645777754666).

The spelling of 55333125621311 in words is "fifty-five trillion, three hundred thirty-three billion, one hundred twenty-five million, six hundred twenty-one thousand, three hundred eleven".