53715135431 has 2 divisors, whose sum is σ = 53715135432. Its totient is φ = 53715135430.

The previous prime is 53715135403. The next prime is 53715135437. The reversal of 53715135431 is 13453151735.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53715135431 is a prime.

It is a super-2 number, since 2×53715135431² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53715135437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26857567715 + 26857567716.

It is an arithmetic number, because the mean of its divisors is an integer number (26857567716).

Almost surely, 2^53715135431 is an apocalyptic number.

53715135431 is a deficient number, since it is larger than the sum of its proper divisors (1).

53715135431 is an equidigital number, since it uses as much as digits as its factorization.

53715135431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 94500, while the sum is 38.

The spelling of 53715135431 in words is "fifty-three billion, seven hundred fifteen million, one hundred thirty-five thousand, four hundred thirty-one".