53391434343 has 48 divisors (see below), whose sum is σ = 80286322176. Its totient is φ = 31517216640.

The previous prime is 53391434333. The next prime is 53391434401. The reversal of 53391434343 is 34343419335.

It is not a de Polignac number, because 53391434343 - 2⁵ = 53391434311 is a prime.

It is a super-2 number, since 2×53391434343² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 53391434295 and 53391434304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53391434333) 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 in 47 ways as a sum of consecutive naturals, for example, 1311846 + ... + 1351932.

It is an arithmetic number, because the mean of its divisors is an integer number (1672631712).

Almost surely, 2^53391434343 is an apocalyptic number.

53391434343 is a deficient number, since it is larger than the sum of its proper divisors (26894887833).

53391434343 is a wasteful number, since it uses less digits than its factorization.

53391434343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40224 (or 40211 counting only the distinct ones).

The product of its digits is 699840, while the sum is 42.

The spelling of 53391434343 in words is "fifty-three billion, three hundred ninety-one million, four hundred thirty-four thousand, three hundred forty-three".