53517213508 has 24 divisors (see below), whose sum is σ = 102240643680. Its totient is φ = 24309001920.

The previous prime is 53517213473. The next prime is 53517213601. The reversal of 53517213508 is 80531271535.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 361338 + ... + 487441.

It is an arithmetic number, because the mean of its divisors is an integer number (4260026820).

Almost surely, 2^53517213508 is an apocalyptic number.

It is an amenable number.

53517213508 is a deficient number, since it is larger than the sum of its proper divisors (48723430172).

53517213508 is a wasteful number, since it uses less digits than its factorization.

53517213508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 850227 (or 850225 counting only the distinct ones).

The product of its (nonzero) digits is 126000, while the sum is 40.

The spelling of 53517213508 in words is "fifty-three billion, five hundred seventeen million, two hundred thirteen thousand, five hundred eight".