55141442542 has 4 divisors (see below), whose sum is σ = 82712163816. Its totient is φ = 27570721270.

The previous prime is 55141442527. The next prime is 55141442563. The reversal of 55141442542 is 24524414155.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24524414155 = 5 ⋅4904882831.

It is a super-2 number, since 2×55141442542² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13785360634 + ... + 13785360637.

It is an arithmetic number, because the mean of its divisors is an integer number (20678040954).

Almost surely, 2^55141442542 is an apocalyptic number.

55141442542 is a deficient number, since it is larger than the sum of its proper divisors (27570721274).

55141442542 is a wasteful number, since it uses less digits than its factorization.

55141442542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27570721273.

The product of its digits is 128000, while the sum is 37.

Adding to 55141442542 its reverse (24524414155), we get a palindrome (79665856697).

The spelling of 55141442542 in words is "fifty-five billion, one hundred forty-one million, four hundred forty-two thousand, five hundred forty-two".