53251435441 has 2 divisors, whose sum is σ = 53251435442. Its totient is φ = 53251435440.

The previous prime is 53251435343. The next prime is 53251435507. The reversal of 53251435441 is 14453415235.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51699390625 + 1552044816 = 227375^2 + 39396^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53251435441 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53251435441.

It is not a weakly prime, because it can be changed into another prime (53251435141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26625717720 + 26625717721.

It is an arithmetic number, because the mean of its divisors is an integer number (26625717721).

Almost surely, 2^53251435441 is an apocalyptic number.

It is an amenable number.

53251435441 is a deficient number, since it is larger than the sum of its proper divisors (1).

53251435441 is an equidigital number, since it uses as much as digits as its factorization.

53251435441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 144000, while the sum is 37.

The spelling of 53251435441 in words is "fifty-three billion, two hundred fifty-one million, four hundred thirty-five thousand, four hundred forty-one".