53117267408 has 20 divisors (see below), whose sum is σ = 103570218180. Its totient is φ = 26389469184.

The previous prime is 53117267393. The next prime is 53117267443. The reversal of 53117267408 is 80476271135.

It can be written as a sum of positive squares in 2 ways, for example, as 5970961984 + 47146305424 = 77272^2 + 217132^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10570193 + ... + 10575216.

It is an arithmetic number, because the mean of its divisors is an integer number (5178510909).

Almost surely, 2^53117267408 is an apocalyptic number.

It is an amenable number.

53117267408 is a deficient number, since it is larger than the sum of its proper divisors (50452950772).

53117267408 is a wasteful number, since it uses less digits than its factorization.

53117267408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21145574 (or 21145568 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 44.

The spelling of 53117267408 in words is "fifty-three billion, one hundred seventeen million, two hundred sixty-seven thousand, four hundred eight".