53668685399 has 8 divisors (see below), whose sum is σ = 61368402720. Its totient is φ = 45977158656.

The previous prime is 53668685387. The next prime is 53668685417. The reversal of 53668685399 is 99358686635.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53668685399 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 (53668685699) 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, 2033594 + ... + 2059815.

It is an arithmetic number, because the mean of its divisors is an integer number (7671050340).

Almost surely, 2^53668685399 is an apocalyptic number.

53668685399 is a deficient number, since it is larger than the sum of its proper divisors (7699717321).

53668685399 is a wasteful number, since it uses less digits than its factorization.

53668685399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4095289.

The product of its digits is 251942400, while the sum is 68.

The spelling of 53668685399 in words is "fifty-three billion, six hundred sixty-eight million, six hundred eighty-five thousand, three hundred ninety-nine".