30053 has 4 divisors (see below), whose sum is σ = 30828. Its totient is φ = 29280.

The previous prime is 30047. The next prime is 30059. The reversal of 30053 is 35003.

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

It is an interprime number because it is at equal distance from previous prime (30047) and next prime (30059).

It can be written as a sum of positive squares in 2 ways, for example, as 16129 + 13924 = 127^2 + 118^2 .

It is a cyclic number.

It is not a de Polignac number, because 30053 - 2^{6} = 29989 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number *n* which divided by its sum of digits gives 30053.

It is not an unprimeable number, because it can be changed into a prime (30059) 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, 326 + ... + 407.

It is an arithmetic number, because the mean of its divisors is an integer number (7707).

2^{30053} is an apocalyptic number.

It is an amenable number.

30053 is a deficient number, since it is larger than the sum of its proper divisors (775).

30053 is an equidigital number, since it uses as much as digits as its factorization.

30053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 774.

The product of its (nonzero) digits is 45, while the sum is 11.

The square root of 30053 is about 173.3580110638. The cubic root of 30053 is about 31.0906124415.

Adding to 30053 its reverse (35003), we get a palindrome (65056).

Subtracting 30053 from its reverse (35003), we obtain a triangular number (4950 = T_{99}).

It can be divided in two parts, 300 and 53, that added together give a palindrome (353).

The spelling of 30053 in words is "thirty thousand, fifty-three".

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