53505523042031 has 4 divisors (see below), whose sum is σ = 54643938425952. Its totient is φ = 52367107658112.

The previous prime is 53505523042019. The next prime is 53505523042067. The reversal of 53505523042031 is 13024032550535.

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 53505523042031 - 2⁴² = 49107476530927 is a prime.

It is a super-2 number, since 2×53505523042031² (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 (53505523002031) 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, 569207691890 + ... + 569207691983.

It is an arithmetic number, because the mean of its divisors is an integer number (13660984606488).

Almost surely, 2^{53505523042031} is an apocalyptic number.

53505523042031 is a deficient number, since it is larger than the sum of its proper divisors (1138415383921).

53505523042031 is a wasteful number, since it uses less digits than its factorization.

53505523042031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1138415383920.

The product of its (nonzero) digits is 270000, while the sum is 38.

Adding to 53505523042031 its reverse (13024032550535), we get a palindrome (66529555592566).

The spelling of 53505523042031 in words is "fifty-three trillion, five hundred five billion, five hundred twenty-three million, forty-two thousand, thirty-one".