53456240431 has 6 divisors (see below), whose sum is σ = 58757685896. Its totient is φ = 48596582100.

The previous prime is 53456240423. The next prime is 53456240437. The reversal of 53456240431 is 13404265435.

It is not a de Polignac number, because 53456240431 - 2³ = 53456240423 is a prime.

It is a super-2 number, since 2×53456240431² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53456240437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 220893435 + ... + 220893676.

Almost surely, 2^53456240431 is an apocalyptic number.

53456240431 is a deficient number, since it is larger than the sum of its proper divisors (5301445465).

53456240431 is a wasteful number, since it uses less digits than its factorization.

53456240431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441787133 (or 441787122 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 37.

The spelling of 53456240431 in words is "fifty-three billion, four hundred fifty-six million, two hundred forty thousand, four hundred thirty-one".