53523729431 has 2 divisors, whose sum is σ = 53523729432. Its totient is φ = 53523729430.

The previous prime is 53523729403. The next prime is 53523729443. The reversal of 53523729431 is 13492732535.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53523729431 - 2⁶ = 53523729367 is a prime.

It is a super-2 number, since 2×53523729431² (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 (53523729481) 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, 26761864715 + 26761864716.

It is an arithmetic number, because the mean of its divisors is an integer number (26761864716).

Almost surely, 2^53523729431 is an apocalyptic number.

53523729431 is a deficient number, since it is larger than the sum of its proper divisors (1).

53523729431 is an equidigital number, since it uses as much as digits as its factorization.

53523729431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 680400, while the sum is 44.

The spelling of 53523729431 in words is "fifty-three billion, five hundred twenty-three million, seven hundred twenty-nine thousand, four hundred thirty-one".