52455213330 has 128 divisors (see below), whose sum is σ = 137989668096. Its totient is φ = 12682828800.

The previous prime is 52455213299. The next prime is 52455213331. The reversal of 52455213330 is 3331255425.

It is a super-3 number, since 3×52455213330³ (a number of 33 digits) contains 333 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 52455213291 and 52455213300.

It is not an unprimeable number, because it can be changed into a prime (52455213331) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 28095057 + ... + 28096923.

It is an arithmetic number, because the mean of its divisors is an integer number (1078044282).

Almost surely, 2^52455213330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52455213330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68994834048).

52455213330 is an abundant number, since it is smaller than the sum of its proper divisors (85534454766).

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

52455213330 is a wasteful number, since it uses less digits than its factorization.

52455213330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3132.

The product of its (nonzero) digits is 54000, while the sum is 33.

Adding to 52455213330 its reverse (3331255425), we get a palindrome (55786468755).

The spelling of 52455213330 in words is "fifty-two billion, four hundred fifty-five million, two hundred thirteen thousand, three hundred thirty".