55136043330542 has 4 divisors (see below), whose sum is σ = 82704064995816. Its totient is φ = 27568021665270.

The previous prime is 55136043330521. The next prime is 55136043330623. The reversal of 55136043330542 is 24503334063155.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 55136043330493 and 55136043330502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13784010832634 + ... + 13784010832637.

It is an arithmetic number, because the mean of its divisors is an integer number (20676016248954).

Almost surely, 2^{55136043330542} is an apocalyptic number.

55136043330542 is a deficient number, since it is larger than the sum of its proper divisors (27568021665274).

55136043330542 is a wasteful number, since it uses less digits than its factorization.

55136043330542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27568021665273.

The product of its (nonzero) digits is 1944000, while the sum is 44.

Adding to 55136043330542 its reverse (24503334063155), we get a palindrome (79639377393697).

The spelling of 55136043330542 in words is "fifty-five trillion, one hundred thirty-six billion, forty-three million, three hundred thirty thousand, five hundred forty-two".