53146244220 has 48 divisors (see below), whose sum is σ = 157562985888. Its totient is φ = 13338664960.

The previous prime is 53146244209. The next prime is 53146244257. The reversal of 53146244220 is 2244264135.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26051061 + ... + 26053100.

It is an arithmetic number, because the mean of its divisors is an integer number (3282562206).

Almost surely, 2^53146244220 is an apocalyptic number.

It is an amenable number.

53146244220 is an abundant number, since it is smaller than the sum of its proper divisors (104416741668).

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

53146244220 is a wasteful number, since it uses less digits than its factorization.

53146244220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52104190 (or 52104188 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 33.

The spelling of 53146244220 in words is "fifty-three billion, one hundred forty-six million, two hundred forty-four thousand, two hundred twenty".