53503355431 has 2 divisors, whose sum is σ = 53503355432. Its totient is φ = 53503355430.

The previous prime is 53503355333. The next prime is 53503355443. The reversal of 53503355431 is 13455330535.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53503355431 - 2¹⁹ = 53502831143 is a prime.

It is a super-2 number, since 2×53503355431² (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 (53503355461) 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, 26751677715 + 26751677716.

It is an arithmetic number, because the mean of its divisors is an integer number (26751677716).

Almost surely, 2^53503355431 is an apocalyptic number.

53503355431 is a deficient number, since it is larger than the sum of its proper divisors (1).

53503355431 is an equidigital number, since it uses as much as digits as its factorization.

53503355431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 202500, while the sum is 37.

Adding to 53503355431 its reverse (13455330535), we get a palindrome (66958685966).

The spelling of 53503355431 in words is "fifty-three billion, five hundred three million, three hundred fifty-five thousand, four hundred thirty-one".