53008278220 has 96 divisors (see below), whose sum is σ = 118051577280. Its totient is φ = 19937894400.

The previous prime is 53008278209. The next prime is 53008278233. The reversal of 53008278220 is 2287280035.

It is a self number, because there is not a number n which added to its sum of digits gives 53008278220.

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, 35503794 + ... + 35505286.

It is an arithmetic number, because the mean of its divisors is an integer number (1229703930).

Almost surely, 2^53008278220 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 53008278220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59025788640).

53008278220 is an abundant number, since it is smaller than the sum of its proper divisors (65043299060).

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

53008278220 is a wasteful number, since it uses less digits than its factorization.

53008278220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2155 (or 2153 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 37.

The spelling of 53008278220 in words is "fifty-three billion, eight million, two hundred seventy-eight thousand, two hundred twenty".