30533053 has 16 divisors (see below), whose sum is σ = 32351616. Its totient is φ = 28788480.

The previous prime is 30533051. The next prime is 30533059. The reversal of 30533053 is 35033503.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 30533053 - 2¹ = 30533051 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 (30533051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 222801 + ... + 222937.

It is an arithmetic number, because the mean of its divisors is an integer number (2021976).

Almost surely, 2^30533053 is an apocalyptic number.

It is an amenable number.

30533053 is a deficient number, since it is larger than the sum of its proper divisors (1818563).

30533053 is a wasteful number, since it uses less digits than its factorization.

30533053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324.

The product of its (nonzero) digits is 2025, while the sum is 22.

The square root of 30533053 is about 5525.6721763058. The cubic root of 30533053 is about 312.5528119810.

Adding to 30533053 its reverse (35033503), we get a palindrome (65566556).

The spelling of 30533053 in words is "thirty million, five hundred thirty-three thousand, fifty-three".