30550053 has 16 divisors (see below), whose sum is σ = 41410880. Its totient is φ = 20030976.

The previous prime is 30550033. The next prime is 30550067. The reversal of 30550053 is 35005503.

It is a de Polignac number, because none of the positive numbers 2^k-30550053 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 (30550033) 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, 80418 + ... + 80796.

It is an arithmetic number, because the mean of its divisors is an integer number (2588180).

Almost surely, 2^30550053 is an apocalyptic number.

It is an amenable number.

30550053 is a deficient number, since it is larger than the sum of its proper divisors (10860827).

30550053 is a wasteful number, since it uses less digits than its factorization.

30550053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 756.

The product of its (nonzero) digits is 1125, while the sum is 21.

The square root of 30550053 is about 5527.2102366384. The cubic root of 30550053 is about 312.6108082776.

Adding to 30550053 its reverse (35005503), we get a palindrome (65555556).

The spelling of 30550053 in words is "thirty million, five hundred fifty thousand, fifty-three".