52515324140 has 12 divisors (see below), whose sum is σ = 110282180736. Its totient is φ = 21006129648.

The previous prime is 52515324139. The next prime is 52515324143. The reversal of 52515324140 is 4142351525.

It is a junction number, because it is equal to n+sod(n) for n = 52515324097 and 52515324106.

It is not an unprimeable number, because it can be changed into a prime (52515324143) 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, 1312883084 + ... + 1312883123.

It is an arithmetic number, because the mean of its divisors is an integer number (9190181728).

Almost surely, 2^52515324140 is an apocalyptic number.

It is an amenable number.

52515324140 is an abundant number, since it is smaller than the sum of its proper divisors (57766856596).

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

52515324140 is a wasteful number, since it uses less digits than its factorization.

52515324140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2625766216 (or 2625766214 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 32.

Adding to 52515324140 its reverse (4142351525), we get a palindrome (56657675665).

The spelling of 52515324140 in words is "fifty-two billion, five hundred fifteen million, three hundred twenty-four thousand, one hundred forty".