53662773706220 has 96 divisors (see below), whose sum is σ = 131856252143616. Its totient is φ = 17961180652800.

The previous prime is 53662773706153. The next prime is 53662773706247. The reversal of 53662773706220 is 2260737726635.

It is a happy 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, 8881250 + ... + 13645590.

It is an arithmetic number, because the mean of its divisors is an integer number (1373502626496).

Almost surely, 2^{53662773706220} 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 53662773706220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65928126071808).

53662773706220 is an abundant number, since it is smaller than the sum of its proper divisors (78193478437396).

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

53662773706220 is a wasteful number, since it uses less digits than its factorization.

53662773706220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4766271 (or 4766269 counting only the distinct ones).

The product of its (nonzero) digits is 26671680, while the sum is 56.

The spelling of 53662773706220 in words is "fifty-three trillion, six hundred sixty-two billion, seven hundred seventy-three million, seven hundred six thousand, two hundred twenty".