52133657242 has 4 divisors (see below), whose sum is σ = 78200485866. Its totient is φ = 26066828620.

The previous prime is 52133657209. The next prime is 52133657351. The reversal of 52133657242 is 24275633125.

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., 40812484441 + 11321172801 = 202021^2 + 106401^2 .

It is a junction number, because it is equal to n+sod(n) for n = 52133657195 and 52133657204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13033414309 + ... + 13033414312.

Almost surely, 2^52133657242 is an apocalyptic number.

52133657242 is a deficient number, since it is larger than the sum of its proper divisors (26066828624).

52133657242 is a wasteful number, since it uses less digits than its factorization.

52133657242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26066828623.

The product of its digits is 302400, while the sum is 40.

The spelling of 52133657242 in words is "fifty-two billion, one hundred thirty-three million, six hundred fifty-seven thousand, two hundred forty-two".