52612821624 has 128 divisors (see below), whose sum is σ = 147641345280. Its totient is φ = 15483571200.

The previous prime is 52612821589. The next prime is 52612821649. The reversal of 52612821624 is 42612821625.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5572812 + ... + 5582244.

It is an arithmetic number, because the mean of its divisors is an integer number (1153448010).

Almost surely, 2^52612821624 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52612821624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73820672640).

52612821624 is an abundant number, since it is smaller than the sum of its proper divisors (95028523656).

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

52612821624 is a wasteful number, since it uses less digits than its factorization.

52612821624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10061 (or 10057 counting only the distinct ones).

The product of its digits is 92160, while the sum is 39.

Subtracting from 52612821624 its reverse (42612821625), we obtain a palindrome (9999999999).

The spelling of 52612821624 in words is "fifty-two billion, six hundred twelve million, eight hundred twenty-one thousand, six hundred twenty-four".