52145132524 has 6 divisors (see below), whose sum is σ = 91253981924. Its totient is φ = 26072566260.

The previous prime is 52145132491. The next prime is 52145132531. The reversal of 52145132524 is 42523154125.

It is a happy number.

It is a super-2 number, since 2×52145132524² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 52145132524.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6518141562 + ... + 6518141569.

Almost surely, 2^52145132524 is an apocalyptic number.

It is an amenable number.

52145132524 is a deficient number, since it is larger than the sum of its proper divisors (39108849400).

52145132524 is a wasteful number, since it uses less digits than its factorization.

52145132524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13036283135 (or 13036283133 counting only the distinct ones).

The product of its digits is 48000, while the sum is 34.

Adding to 52145132524 its reverse (42523154125), we get a palindrome (94668286649).

The spelling of 52145132524 in words is "fifty-two billion, one hundred forty-five million, one hundred thirty-two thousand, five hundred twenty-four".