53552211431 has 4 divisors (see below), whose sum is σ = 53564166864. Its totient is φ = 53540256000.

The previous prime is 53552211413. The next prime is 53552211443. The reversal of 53552211431 is 13411225535.

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 53552211431 - 2³⁰ = 52478469607 is a prime.

It is a super-3 number, since 3×53552211431³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53552211451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5970995 + ... + 5979956.

It is an arithmetic number, because the mean of its divisors is an integer number (13391041716).

Almost surely, 2^53552211431 is an apocalyptic number.

53552211431 is a deficient number, since it is larger than the sum of its proper divisors (11955433).

53552211431 is a wasteful number, since it uses less digits than its factorization.

53552211431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11955432.

The product of its digits is 18000, while the sum is 32.

Adding to 53552211431 its reverse (13411225535), we get a palindrome (66963436966).

The spelling of 53552211431 in words is "fifty-three billion, five hundred fifty-two million, two hundred eleven thousand, four hundred thirty-one".