53821330027 has 4 divisors (see below), whose sum is σ = 53870572960. Its totient is φ = 53772087096.

The previous prime is 53821329937. The next prime is 53821330033. The reversal of 53821330027 is 72003312835.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53821330027 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53821329974 and 53821330001.

It is not an unprimeable number, because it can be changed into a prime (53821330327) 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, 24619827 + ... + 24622012.

It is an arithmetic number, because the mean of its divisors is an integer number (13467643240).

Almost surely, 2^53821330027 is an apocalyptic number.

53821330027 is a deficient number, since it is larger than the sum of its proper divisors (49242933).

53821330027 is a wasteful number, since it uses less digits than its factorization.

53821330027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49242932.

The product of its (nonzero) digits is 30240, while the sum is 34.

The spelling of 53821330027 in words is "fifty-three billion, eight hundred twenty-one million, three hundred thirty thousand, twenty-seven".