53211690636 has 48 divisors (see below), whose sum is σ = 138322178400. Its totient is φ = 15808246272.

The previous prime is 53211690589. The next prime is 53211690673. The reversal of 53211690636 is 63609611235.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5876521 + ... + 5885568.

It is an arithmetic number, because the mean of its divisors is an integer number (2881712050).

Almost surely, 2^53211690636 is an apocalyptic number.

It is an amenable number.

53211690636 is an abundant number, since it is smaller than the sum of its proper divisors (85110487764).

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

53211690636 is a wasteful number, since it uses less digits than its factorization.

53211690636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11762138 (or 11762136 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 42.

The spelling of 53211690636 in words is "fifty-three billion, two hundred eleven million, six hundred ninety thousand, six hundred thirty-six".