53550517687 has 8 divisors (see below), whose sum is σ = 54464763600. Its totient is φ = 52636492224.

The previous prime is 53550517673. The next prime is 53550517703. The reversal of 53550517687 is 78671505535.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 53550517687 - 2¹¹ = 53550515639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53550517627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 478573 + ... + 579769.

It is an arithmetic number, because the mean of its divisors is an integer number (6808095450).

Almost surely, 2^53550517687 is an apocalyptic number.

53550517687 is a deficient number, since it is larger than the sum of its proper divisors (914245913).

53550517687 is a wasteful number, since it uses less digits than its factorization.

53550517687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110225.

The product of its (nonzero) digits is 4410000, while the sum is 52.

The spelling of 53550517687 in words is "fifty-three billion, five hundred fifty million, five hundred seventeen thousand, six hundred eighty-seven".