54602136242 has 4 divisors (see below), whose sum is σ = 81903204366. Its totient is φ = 27301068120.

The previous prime is 54602136143. The next prime is 54602136263. The reversal of 54602136242 is 24263120645.

It is a Cunningham number, because it is equal to 233671²+1.

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

It can be written as a sum of positive squares in only one way, i.e., 54602136241 + 1 = 233671^2 + 1^2 .

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 as a sum of consecutive naturals, namely, 13650534059 + ... + 13650534062.

Almost surely, 2^54602136242 is an apocalyptic number.

54602136242 is a deficient number, since it is larger than the sum of its proper divisors (27301068124).

54602136242 is a wasteful number, since it uses less digits than its factorization.

54602136242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27301068123.

The product of its (nonzero) digits is 69120, while the sum is 35.

Adding to 54602136242 its reverse (24263120645), we get a palindrome (78865256887).

The spelling of 54602136242 in words is "fifty-four billion, six hundred two million, one hundred thirty-six thousand, two hundred forty-two".