53852218387 has 8 divisors (see below), whose sum is σ = 58754811312. Its totient is φ = 48950781600.

The previous prime is 53852218307. The next prime is 53852218391. The reversal of 53852218387 is 78381225835.

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-53852218387 is a prime.

It is a super-2 number, since 2×53852218387² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53852218307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190164 + ... + 379297.

It is an arithmetic number, because the mean of its divisors is an integer number (7344351414).

Almost surely, 2^53852218387 is an apocalyptic number.

53852218387 is a deficient number, since it is larger than the sum of its proper divisors (4902592925).

53852218387 is a wasteful number, since it uses less digits than its factorization.

53852218387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578069.

The product of its digits is 3225600, while the sum is 52.

The spelling of 53852218387 in words is "fifty-three billion, eight hundred fifty-two million, two hundred eighteen thousand, three hundred eighty-seven".