52157179549 has 2 divisors, whose sum is σ = 52157179550. Its totient is φ = 52157179548.

The previous prime is 52157179519. The next prime is 52157179561. The reversal of 52157179549 is 94597175125.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46757575225 + 5399604324 = 216235^2 + 73482^2 .

It is a cyclic number.

It is not a de Polignac number, because 52157179549 - 2¹³ = 52157171357 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52157179549.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52157179519) by changing a digit.

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, 26078589774 + 26078589775.

It is an arithmetic number, because the mean of its divisors is an integer number (26078589775).

Almost surely, 2^52157179549 is an apocalyptic number.

It is an amenable number.

52157179549 is a deficient number, since it is larger than the sum of its proper divisors (1).

52157179549 is an equidigital number, since it uses as much as digits as its factorization.

52157179549 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3969000, while the sum is 55.

The spelling of 52157179549 in words is "fifty-two billion, one hundred fifty-seven million, one hundred seventy-nine thousand, five hundred forty-nine".