30053805 has 16 divisors (see below), whose sum is σ = 49386624. Its totient is φ = 15595200.

The previous prime is 30053791. The next prime is 30053843. The reversal of 30053805 is 50835003.

It is not a de Polignac number, because 30053805 - 2⁴ = 30053789 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26521 + ... + 27630.

It is an arithmetic number, because the mean of its divisors is an integer number (3086664).

Almost surely, 2^30053805 is an apocalyptic number.

It is an amenable number.

30053805 is a deficient number, since it is larger than the sum of its proper divisors (19332819).

30053805 is a wasteful number, since it uses less digits than its factorization.

30053805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54196.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 30053805 is about 5482.1350767744. The cubic root of 30053805 is about 310.9089003686.

Adding to 30053805 its reverse (50835003), we get a palindrome (80888808).

The spelling of 30053805 in words is "thirty million, fifty-three thousand, eight hundred five".