53222145152 has 64 divisors (see below), whose sum is σ = 119398752000. Its totient is φ = 23411481600.

The previous prime is 53222145133. The next prime is 53222145161. The reversal of 53222145152 is 25154122235.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 566027 + ... + 653322.

It is an arithmetic number, because the mean of its divisors is an integer number (1865605500).

Almost surely, 2^53222145152 is an apocalyptic number.

It is an amenable number.

53222145152 is an abundant number, since it is smaller than the sum of its proper divisors (66176606848).

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

53222145152 is a wasteful number, since it uses less digits than its factorization.

53222145152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1219405 (or 1219393 counting only the distinct ones).

The product of its digits is 24000, while the sum is 32.

Adding to 53222145152 its reverse (25154122235), we get a palindrome (78376267387).

The spelling of 53222145152 in words is "fifty-three billion, two hundred twenty-two million, one hundred forty-five thousand, one hundred fifty-two".