30021533530057 has 8 divisors (see below), whose sum is σ = 30709842024960. Its totient is φ = 29337738534000.

The previous prime is 30021533529931. The next prime is 30021533530099. The reversal of 30021533530057 is 75003533512003.

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

It is a cyclic number.

It is not a de Polignac number, because 30021533530057 - 2¹⁵ = 30021533497289 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30021533529998 and 30021533530025.

It is not an unprimeable number, because it can be changed into a prime (30021533530657) 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, 1128361257 + ... + 1128387862.

It is an arithmetic number, because the mean of its divisors is an integer number (3838730253120).

Almost surely, 2^{30021533530057} is an apocalyptic number.

It is an amenable number.

30021533530057 is a deficient number, since it is larger than the sum of its proper divisors (688308494903).

30021533530057 is a wasteful number, since it uses less digits than its factorization.

30021533530057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2256749423.

The product of its (nonzero) digits is 141750, while the sum is 37.

The spelling of 30021533530057 in words is "thirty trillion, twenty-one billion, five hundred thirty-three million, five hundred thirty thousand, fifty-seven".