53859830431 has 32 divisors (see below), whose sum is σ = 60388540416. Its totient is φ = 47626236000.

The previous prime is 53859830429. The next prime is 53859830473. The reversal of 53859830431 is 13403895835.

It is a cyclic number.

It is not a de Polignac number, because 53859830431 - 2¹ = 53859830429 is a prime.

It is a super-2 number, since 2×53859830431² (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 (53859830131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18943296 + ... + 18946138.

It is an arithmetic number, because the mean of its divisors is an integer number (1887141888).

Almost surely, 2^53859830431 is an apocalyptic number.

53859830431 is a deficient number, since it is larger than the sum of its proper divisors (6528709985).

53859830431 is a wasteful number, since it uses less digits than its factorization.

53859830431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3243.

The product of its (nonzero) digits is 1555200, while the sum is 49.

The spelling of 53859830431 in words is "fifty-three billion, eight hundred fifty-nine million, eight hundred thirty thousand, four hundred thirty-one".