53554334431 has 4 divisors (see below), whose sum is σ = 57673898632. Its totient is φ = 49434770232.

The previous prime is 53554334417. The next prime is 53554334441. The reversal of 53554334431 is 13443345535.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 53554334431 - 2⁵ = 53554334399 is a prime.

It is a super-2 number, since 2×53554334431² (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 (53554334441) 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 3 ways as a sum of consecutive naturals, for example, 2059782081 + ... + 2059782106.

It is an arithmetic number, because the mean of its divisors is an integer number (14418474658).

Almost surely, 2^53554334431 is an apocalyptic number.

53554334431 is a deficient number, since it is larger than the sum of its proper divisors (4119564201).

53554334431 is a wasteful number, since it uses less digits than its factorization.

53554334431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4119564200.

The product of its digits is 648000, while the sum is 40.

Adding to 53554334431 its reverse (13443345535), we get a palindrome (66997679966).

The spelling of 53554334431 in words is "fifty-three billion, five hundred fifty-four million, three hundred thirty-four thousand, four hundred thirty-one".