54561205502342 has 32 divisors (see below), whose sum is σ = 102042537696000. Its totient is φ = 21256363046880.

The previous prime is 54561205502341. The next prime is 54561205502351. The reversal of 54561205502342 is 24320550216545.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 54561205502293 and 54561205502302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54561205502341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7781717 + ... + 13026032.

It is an arithmetic number, because the mean of its divisors is an integer number (3188829303000).

Almost surely, 2^{54561205502342} is an apocalyptic number.

54561205502342 is a deficient number, since it is larger than the sum of its proper divisors (47481332193658).

54561205502342 is a wasteful number, since it uses less digits than its factorization.

54561205502342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20824796.

The product of its (nonzero) digits is 1440000, while the sum is 44.

Adding to 54561205502342 its reverse (24320550216545), we get a palindrome (78881755718887).

The spelling of 54561205502342 in words is "fifty-four trillion, five hundred sixty-one billion, two hundred five million, five hundred two thousand, three hundred forty-two".