53532131 has 2 divisors, whose sum is σ = 53532132. Its totient is φ = 53532130.

The previous prime is 53532103. The next prime is 53532161. The reversal of 53532131 is 13123535.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53532131 is a prime.

It is a super-2 number, since 2×53532131² = 5731378098802322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 53532097 and 53532106.

It is not a weakly prime, because it can be changed into another prime (53532161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26766065 + 26766066.

It is an arithmetic number, because the mean of its divisors is an integer number (26766066).

Almost surely, 2^53532131 is an apocalyptic number.

53532131 is a deficient number, since it is larger than the sum of its proper divisors (1).

53532131 is an equidigital number, since it uses as much as digits as its factorization.

53532131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1350, while the sum is 23.

The square root of 53532131 is about 7316.5655194223. The cubic root of 53532131 is about 376.8815210725.

Adding to 53532131 its reverse (13123535), we get a palindrome (66655666).

The spelling of 53532131 in words is "fifty-three million, five hundred thirty-two thousand, one hundred thirty-one".