53552163260220 has 192 divisors, whose sum is σ = 155305728369792. Its totient is φ = 13778176000000.

The previous prime is 53552163260147. The next prime is 53552163260231. The reversal of 53552163260220 is 2206236125535.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 212804470 + ... + 213055970.

It is an arithmetic number, because the mean of its divisors is an integer number (808884001926).

Almost surely, 2^{53552163260220} 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 53552163260220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77652864184896).

53552163260220 is an abundant number, since it is smaller than the sum of its proper divisors (101753565109572).

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

53552163260220 is a wasteful number, since it uses less digits than its factorization.

53552163260220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252512 (or 252510 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 42.

Adding to 53552163260220 its reverse (2206236125535), we get a palindrome (55758399385755).

The spelling of 53552163260220 in words is "fifty-three trillion, five hundred fifty-two billion, one hundred sixty-three million, two hundred sixty thousand, two hundred twenty".