52135146554 has 4 divisors (see below), whose sum is σ = 78202719834. Its totient is φ = 26067573276.

The previous prime is 52135146541. The next prime is 52135146571. The reversal of 52135146554 is 45564153125.

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., 32973112225 + 19162034329 = 181585^2 + 138427^2 .

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, 13033786637 + ... + 13033786640.

Almost surely, 2^52135146554 is an apocalyptic number.

52135146554 is a deficient number, since it is larger than the sum of its proper divisors (26067573280).

52135146554 is a wasteful number, since it uses less digits than its factorization.

52135146554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26067573279.

The product of its digits is 360000, while the sum is 41.

Adding to 52135146554 its reverse (45564153125), we get a palindrome (97699299679).

The spelling of 52135146554 in words is "fifty-two billion, one hundred thirty-five million, one hundred forty-six thousand, five hundred fifty-four".