53291199708828 has 72 divisors (see below), whose sum is σ = 139741129801728. Its totient is φ = 17758186231536.

The previous prime is 53291199708751. The next prime is 53291199708883. The reversal of 53291199708828 is 82880799119235.

53291199708828 is a `hidden beast` number, since 5 + 3 + 291 + 199 + 70 + 8 + 82 + 8 = 666.

It is a super-3 number, since 3×53291199708828³ (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5445276 + ... + 11671907.

It is an arithmetic number, because the mean of its divisors is an integer number (1940849025024).

Almost surely, 2^{53291199708828} is an apocalyptic number.

It is an amenable number.

53291199708828 is an abundant number, since it is smaller than the sum of its proper divisors (86449930092900).

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

53291199708828 is a wasteful number, since it uses less digits than its factorization.

53291199708828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17120405 (or 17120391 counting only the distinct ones).

The product of its (nonzero) digits is 156764160, while the sum is 72.

The spelling of 53291199708828 in words is "fifty-three trillion, two hundred ninety-one billion, one hundred ninety-nine million, seven hundred eight thousand, eight hundred twenty-eight".