53512320228 has 48 divisors (see below), whose sum is σ = 126769896960. Its totient is φ = 17566907904.

The previous prime is 53512320223. The next prime is 53512320287. The reversal of 53512320228 is 82202321535.

53512320228 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (53512320223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87213 + ... + 338571.

It is an arithmetic number, because the mean of its divisors is an integer number (2641039520).

Almost surely, 2^53512320228 is an apocalyptic number.

It is an amenable number.

53512320228 is an abundant number, since it is smaller than the sum of its proper divisors (73257576732).

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

53512320228 is a wasteful number, since it uses less digits than its factorization.

53512320228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251636 (or 251634 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

The spelling of 53512320228 in words is "fifty-three billion, five hundred twelve million, three hundred twenty thousand, two hundred twenty-eight".