52145421424 has 40 divisors (see below), whose sum is σ = 102571772288. Its totient is φ = 25675531200.

The previous prime is 52145421421. The next prime is 52145421499. The reversal of 52145421424 is 42412454125.

It is a self number, because there is not a number n which added to its sum of digits gives 52145421424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52145421421) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 4890499 + ... + 4901149.

Almost surely, 2^52145421424 is an apocalyptic number.

It is an amenable number.

52145421424 is a deficient number, since it is larger than the sum of its proper divisors (50426350864).

52145421424 is a wasteful number, since it uses less digits than its factorization.

52145421424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15293 (or 15287 counting only the distinct ones).

The product of its digits is 51200, while the sum is 34.

Adding to 52145421424 its reverse (42412454125), we get a palindrome (94557875549).

The spelling of 52145421424 in words is "fifty-two billion, one hundred forty-five million, four hundred twenty-one thousand, four hundred twenty-four".