52290517157 has 2 divisors, whose sum is σ = 52290517158. Its totient is φ = 52290517156.

The previous prime is 52290517133. The next prime is 52290517211. The reversal of 52290517157 is 75171509225.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33846432676 + 18444084481 = 183974^2 + 135809^2 .

It is a cyclic number.

It is not a de Polignac number, because 52290517157 - 2¹⁶ = 52290451621 is a prime.

It is a super-2 number, since 2×52290517157² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52290510157) by changing a digit.

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, 26145258578 + 26145258579.

It is an arithmetic number, because the mean of its divisors is an integer number (26145258579).

Almost surely, 2^52290517157 is an apocalyptic number.

It is an amenable number.

52290517157 is a deficient number, since it is larger than the sum of its proper divisors (1).

52290517157 is an equidigital number, since it uses as much as digits as its factorization.

52290517157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 220500, while the sum is 44.

The spelling of 52290517157 in words is "fifty-two billion, two hundred ninety million, five hundred seventeen thousand, one hundred fifty-seven".