55213530441342 has 256 divisors, whose sum is σ = 138627900364800. Its totient is φ = 14359283527680.

The previous prime is 55213530441341. The next prime is 55213530441373. The reversal of 55213530441342 is 24314403531255.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 55213530441294 and 55213530441303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55213530441341) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2122196718 + ... + 2122222734.

It is an arithmetic number, because the mean of its divisors is an integer number (541515235800).

Almost surely, 2^{55213530441342} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55213530441342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69313950182400).

55213530441342 is an abundant number, since it is smaller than the sum of its proper divisors (83414369923458).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55213530441342 is a wasteful number, since it uses less digits than its factorization.

55213530441342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26388 (or 26362 counting only the distinct ones).

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

Adding to 55213530441342 its reverse (24314403531255), we get a palindrome (79527933972597).

The spelling of 55213530441342 in words is "fifty-five trillion, two hundred thirteen billion, five hundred thirty million, four hundred forty-one thousand, three hundred forty-two".