53691274287 has 48 divisors (see below), whose sum is σ = 89210384640. Its totient is φ = 30481266816.

The previous prime is 53691274249. The next prime is 53691274339. The reversal of 53691274287 is 78247219635.

It is a happy number.

53691274287 is a `hidden beast` number, since 5 + 3 + 6 + 91 + 274 + 287 = 666.

53691274287 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 53691274287 - 2¹⁰ = 53691273263 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53691274687) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 22586643 + ... + 22589019.

It is an arithmetic number, because the mean of its divisors is an integer number (1858549680).

Almost surely, 2^53691274287 is an apocalyptic number.

53691274287 is a deficient number, since it is larger than the sum of its proper divisors (35519110353).

53691274287 is a wasteful number, since it uses less digits than its factorization.

53691274287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4572 (or 4569 counting only the distinct ones).

The product of its digits is 5080320, while the sum is 54.

The spelling of 53691274287 in words is "fifty-three billion, six hundred ninety-one million, two hundred seventy-four thousand, two hundred eighty-seven".