53353668867 has 4 divisors (see below), whose sum is σ = 71138225160. Its totient is φ = 35569112576.

The previous prime is 53353668839. The next prime is 53353668967. The reversal of 53353668867 is 76886635335.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 53353668867 - 2⁶ = 53353668803 is a prime.

It is a super-2 number, since 2×53353668867² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 53353668867.

It is not an unprimeable number, because it can be changed into a prime (53353668167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8892278142 + ... + 8892278147.

It is an arithmetic number, because the mean of its divisors is an integer number (17784556290).

Almost surely, 2^53353668867 is an apocalyptic number.

53353668867 is a deficient number, since it is larger than the sum of its proper divisors (17784556293).

53353668867 is a wasteful number, since it uses less digits than its factorization.

53353668867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17784556292.

The product of its digits is 65318400, while the sum is 60.

The spelling of 53353668867 in words is "fifty-three billion, three hundred fifty-three million, six hundred sixty-eight thousand, eight hundred sixty-seven".