53329285212 has 24 divisors (see below), whose sum is σ = 142211427456. Its totient is φ = 15236938608.

The previous prime is 53329285199. The next prime is 53329285231. The reversal of 53329285212 is 21258292335.

It is a happy number.

It is a super-2 number, since 2×53329285212² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

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, 317436138 + ... + 317436305.

It is an arithmetic number, because the mean of its divisors is an integer number (5925476144).

Almost surely, 2^53329285212 is an apocalyptic number.

It is an amenable number.

53329285212 is an abundant number, since it is smaller than the sum of its proper divisors (88882142244).

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

53329285212 is a wasteful number, since it uses less digits than its factorization.

53329285212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634872457 (or 634872455 counting only the distinct ones).

The product of its digits is 259200, while the sum is 42.

The spelling of 53329285212 in words is "fifty-three billion, three hundred twenty-nine million, two hundred eighty-five thousand, two hundred twelve".