52111320552 has 96 divisors (see below), whose sum is σ = 146388996000. Its totient is φ = 16726953600.

The previous prime is 52111320493. The next prime is 52111320557. The reversal of 52111320552 is 25502311125.

52111320552 is a `hidden beast` number, since 521 + 1 + 132 + 0 + 5 + 5 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (52111320557) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 758427 + ... + 824277.

It is an arithmetic number, because the mean of its divisors is an integer number (1524885375).

Almost surely, 2^52111320552 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 52111320552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73194498000).

52111320552 is an abundant number, since it is smaller than the sum of its proper divisors (94277675448).

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

52111320552 is a wasteful number, since it uses less digits than its factorization.

52111320552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66271 (or 66264 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

Adding to 52111320552 its reverse (25502311125), we get a palindrome (77613631677).

The spelling of 52111320552 in words is "fifty-two billion, one hundred eleven million, three hundred twenty thousand, five hundred fifty-two".