55213322324145 has 32 divisors (see below), whose sum is σ = 88684910052480. Its totient is φ = 29332642859520.

The previous prime is 55213322324141. The next prime is 55213322324183. The reversal of 55213322324145 is 54142322331255.

It is not a de Polignac number, because 55213322324145 - 2² = 55213322324141 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 55213322324097 and 55213322324106.

It is not an unprimeable number, because it can be changed into a prime (55213322324141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10644346 + ... + 14957564.

It is an arithmetic number, because the mean of its divisors is an integer number (2771403439140).

Almost surely, 2^{55213322324145} is an apocalyptic number.

It is an amenable number.

55213322324145 is a deficient number, since it is larger than the sum of its proper divisors (33471587728335).

55213322324145 is a wasteful number, since it uses less digits than its factorization.

55213322324145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4316545.

The product of its digits is 864000, while the sum is 42.

The spelling of 55213322324145 in words is "fifty-five trillion, two hundred thirteen billion, three hundred twenty-two million, three hundred twenty-four thousand, one hundred forty-five".