52245565531 has 2 divisors, whose sum is σ = 52245565532. Its totient is φ = 52245565530.

The previous prime is 52245565523. The next prime is 52245565543. The reversal of 52245565531 is 13556554225.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52245565531 - 2³ = 52245565523 is a prime.

It is a super-2 number, since 2×52245565531² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (52245565501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26122782765 + 26122782766.

It is an arithmetic number, because the mean of its divisors is an integer number (26122782766).

Almost surely, 2^52245565531 is an apocalyptic number.

52245565531 is a deficient number, since it is larger than the sum of its proper divisors (1).

52245565531 is an equidigital number, since it uses as much as digits as its factorization.

52245565531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 900000, while the sum is 43.

It can be divided in two parts, 5224 and 5565531, that added together give a palindrome (5570755).

The spelling of 52245565531 in words is "fifty-two billion, two hundred forty-five million, five hundred sixty-five thousand, five hundred thirty-one".