53240340523 has 2 divisors, whose sum is σ = 53240340524. Its totient is φ = 53240340522.

The previous prime is 53240340511. The next prime is 53240340547. The reversal of 53240340523 is 32504304235.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53240340523 - 2⁹ = 53240340011 is a prime.

It is not a weakly prime, because it can be changed into another prime (53240349523) 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, 26620170261 + 26620170262.

It is an arithmetic number, because the mean of its divisors is an integer number (26620170262).

Almost surely, 2^53240340523 is an apocalyptic number.

53240340523 is a deficient number, since it is larger than the sum of its proper divisors (1).

53240340523 is an equidigital number, since it uses as much as digits as its factorization.

53240340523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43200, while the sum is 31.

Adding to 53240340523 its reverse (32504304235), we get a palindrome (85744644758).

The spelling of 53240340523 in words is "fifty-three billion, two hundred forty million, three hundred forty thousand, five hundred twenty-three".