30550669 has 2 divisors, whose sum is σ = 30550670. Its totient is φ = 30550668.

The previous prime is 30550621. The next prime is 30550687. The reversal of 30550669 is 96605503.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24621444 + 5929225 = 4962^2 + 2435^2 .

It is a cyclic number.

It is not a de Polignac number, because 30550669 - 2¹¹ = 30548621 is a prime.

It is a super-2 number, since 2×30550669² = 1866686752695122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30553669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15275334 + 15275335.

It is an arithmetic number, because the mean of its divisors is an integer number (15275335).

Almost surely, 2^30550669 is an apocalyptic number.

It is an amenable number.

30550669 is a deficient number, since it is larger than the sum of its proper divisors (1).

30550669 is an equidigital number, since it uses as much as digits as its factorization.

30550669 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24300, while the sum is 34.

The square root of 30550669 is about 5527.2659606717. The cubic root of 30550669 is about 312.6129093865.

The spelling of 30550669 in words is "thirty million, five hundred fifty thousand, six hundred sixty-nine".