55102321342 has 16 divisors (see below), whose sum is σ = 83903662080. Its totient is φ = 27137555928.

The previous prime is 55102321333. The next prime is 55102321349. The reversal of 55102321342 is 24312320155.

It is a self number, because there is not a number n which added to its sum of digits gives 55102321342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55102321349) 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, 745048 + ... + 815659.

It is an arithmetic number, because the mean of its divisors is an integer number (5243978880).

Almost surely, 2^55102321342 is an apocalyptic number.

55102321342 is a deficient number, since it is larger than the sum of its proper divisors (28801340738).

55102321342 is a wasteful number, since it uses less digits than its factorization.

55102321342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1560975.

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 55102321342 its reverse (24312320155), we get a palindrome (79414641497).

The spelling of 55102321342 in words is "fifty-five billion, one hundred two million, three hundred twenty-one thousand, three hundred forty-two".