52431224540 has 48 divisors (see below), whose sum is σ = 113976979200. Its totient is φ = 20236027392.

The previous prime is 52431224507. The next prime is 52431224567. The reversal of 52431224540 is 4542213425.

It is a super-5 number, since 5×52431224540⁵ (a number of 55 digits) contains 55555 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 52431224497 and 52431224506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 880016 + ... + 937704.

It is an arithmetic number, because the mean of its divisors is an integer number (2374520400).

Almost surely, 2^52431224540 is an apocalyptic number.

It is an amenable number.

52431224540 is an abundant number, since it is smaller than the sum of its proper divisors (61545754660).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52431224540 is a wasteful number, since it uses less digits than its factorization.

52431224540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59294 (or 59292 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 32.

Adding to 52431224540 its reverse (4542213425), we get a palindrome (56973437965).

The spelling of 52431224540 in words is "fifty-two billion, four hundred thirty-one million, two hundred twenty-four thousand, five hundred forty".