53321106523 has 4 divisors (see below), whose sum is σ = 53560214848. Its totient is φ = 53081998200.

The previous prime is 53321106493. The next prime is 53321106529. The reversal of 53321106523 is 32560112335.

53321106523 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32560112335 = 5 ⋅6512022467.

It is a cyclic number.

It is not a de Polignac number, because 53321106523 - 2²¹ = 53319009371 is a prime.

It is a super-2 number, since 2×53321106523² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53321106529) 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, 119553828 + ... + 119554273.

It is an arithmetic number, because the mean of its divisors is an integer number (13390053712).

Almost surely, 2^53321106523 is an apocalyptic number.

53321106523 is a deficient number, since it is larger than the sum of its proper divisors (239108325).

53321106523 is a wasteful number, since it uses less digits than its factorization.

53321106523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239108324.

The product of its (nonzero) digits is 16200, while the sum is 31.

Adding to 53321106523 its reverse (32560112335), we get a palindrome (85881218858).

The spelling of 53321106523 in words is "fifty-three billion, three hundred twenty-one million, one hundred six thousand, five hundred twenty-three".