53203501554431 has 4 divisors (see below), whose sum is σ = 53203553646672. Its totient is φ = 53203449462192.

The previous prime is 53203501554421. The next prime is 53203501554529. The reversal of 53203501554431 is 13445510530235.

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 53203501554431 - 2⁶ = 53203501554367 is a prime.

It is a super-2 number, since 2×53203501554431² (a number of 28 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 (53203501554421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24482846 + ... + 26567211.

It is an arithmetic number, because the mean of its divisors is an integer number (13300888411668).

Almost surely, 2^{53203501554431} is an apocalyptic number.

53203501554431 is a deficient number, since it is larger than the sum of its proper divisors (52092241).

53203501554431 is a wasteful number, since it uses less digits than its factorization.

53203501554431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52092240.

The product of its (nonzero) digits is 540000, while the sum is 41.

The spelling of 53203501554431 in words is "fifty-three trillion, two hundred three billion, five hundred one million, five hundred fifty-four thousand, four hundred thirty-one".