30550001 has 4 divisors (see below), whose sum is σ = 30572400. Its totient is φ = 30527604.

The previous prime is 30549979. The next prime is 30550007. The reversal of 30550001 is 10005503.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30550001 is a prime.

It is a super-2 number, since 2×30550001² = 1866605122200002, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (30550007) 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, 9011 + ... + 11928.

It is an arithmetic number, because the mean of its divisors is an integer number (7643100).

Almost surely, 2^30550001 is an apocalyptic number.

It is an amenable number.

30550001 is a deficient number, since it is larger than the sum of its proper divisors (22399).

30550001 is a wasteful number, since it uses less digits than its factorization.

30550001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22398.

The product of its (nonzero) digits is 75, while the sum is 14.

The square root of 30550001 is about 5527.2055326358. The cubic root of 30550001 is about 312.6106309099.

Adding to 30550001 its reverse (10005503), we get a palindrome (40555504).

The spelling of 30550001 in words is "thirty million, five hundred fifty thousand, one".