55115254514542 has 8 divisors (see below), whose sum is σ = 84907283981976. Its totient is φ = 26812826520552.

The previous prime is 55115254514539. The next prime is 55115254514587. The reversal of 55115254514542 is 24541545251155.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 372400368268 + ... + 372400368415.

It is an arithmetic number, because the mean of its divisors is an integer number (10613410497747).

Almost surely, 2^{55115254514542} is an apocalyptic number.

55115254514542 is a deficient number, since it is larger than the sum of its proper divisors (29792029467434).

55115254514542 is a wasteful number, since it uses less digits than its factorization.

55115254514542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 744800736722.

The product of its digits is 4000000, while the sum is 49.

Adding to 55115254514542 its reverse (24541545251155), we get a palindrome (79656799765697).

The spelling of 55115254514542 in words is "fifty-five trillion, one hundred fifteen billion, two hundred fifty-four million, five hundred fourteen thousand, five hundred forty-two".