53517674787 has 8 divisors (see below), whose sum is σ = 71377968720. Its totient is φ = 35667915360.

The previous prime is 53517674783. The next prime is 53517674801. The reversal of 53517674787 is 78747671535.

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

It is not a de Polignac number, because 53517674787 - 2² = 53517674783 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53517674787.

It is not an unprimeable number, because it can be changed into a prime (53517674783) 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, 2621764 + ... + 2642097.

It is an arithmetic number, because the mean of its divisors is an integer number (8922246090).

Almost surely, 2^53517674787 is an apocalyptic number.

53517674787 is a deficient number, since it is larger than the sum of its proper divisors (17860293933).

53517674787 is a wasteful number, since it uses less digits than its factorization.

53517674787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5267253.

The product of its digits is 34574400, while the sum is 60.

The spelling of 53517674787 in words is "fifty-three billion, five hundred seventeen million, six hundred seventy-four thousand, seven hundred eighty-seven".