53209897132 has 36 divisors (see below), whose sum is σ = 108585152760. Its totient is φ = 22748451264.

The previous prime is 53209897109. The next prime is 53209897171. The reversal of 53209897132 is 23179890235.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 251718 + ... + 412045.

Almost surely, 2^53209897132 is an apocalyptic number.

It is an amenable number.

53209897132 is an abundant number, since it is smaller than the sum of its proper divisors (55375255628).

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

53209897132 is a wasteful number, since it uses less digits than its factorization.

53209897132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664190 (or 664181 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 49.

The spelling of 53209897132 in words is "fifty-three billion, two hundred nine million, eight hundred ninety-seven thousand, one hundred thirty-two".