53315324531 has 8 divisors (see below), whose sum is σ = 61148640864. Its totient is φ = 45536218560.

The previous prime is 53315324521. The next prime is 53315324551. The reversal of 53315324531 is 13542351335.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 53315324531 - 2¹⁴ = 53315308147 is a prime.

It is a super-2 number, since 2×53315324531² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53315324491 and 53315324500.

It is not an unprimeable number, because it can be changed into a prime (53315324521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13550480 + ... + 13554413.

It is an arithmetic number, because the mean of its divisors is an integer number (7643580108).

Almost surely, 2^53315324531 is an apocalyptic number.

53315324531 is a deficient number, since it is larger than the sum of its proper divisors (7833316333).

53315324531 is a wasteful number, since it uses less digits than its factorization.

53315324531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27105181.

The product of its digits is 81000, while the sum is 35.

Adding to 53315324531 its reverse (13542351335), we get a palindrome (66857675866).

The spelling of 53315324531 in words is "fifty-three billion, three hundred fifteen million, three hundred twenty-four thousand, five hundred thirty-one".