30055277 has 12 divisors (see below), whose sum is σ = 35314236. Its totient is φ = 25502400.

The previous prime is 30055253. The next prime is 30055279. The reversal of 30055277 is 77255003.

It can be written as a sum of positive squares in 2 ways, for example, as 28153636 + 1901641 = 5306^2 + 1379^2 .

It is not a de Polignac number, because 30055277 - 2⁸ = 30055021 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 (30055279) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1913 + ... + 7985.

It is an arithmetic number, because the mean of its divisors is an integer number (2942853).

Almost surely, 2^30055277 is an apocalyptic number.

It is an amenable number.

30055277 is a deficient number, since it is larger than the sum of its proper divisors (5258959).

30055277 is a wasteful number, since it uses less digits than its factorization.

30055277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6188 (or 6181 counting only the distinct ones).

The product of its (nonzero) digits is 7350, while the sum is 29.

The square root of 30055277 is about 5482.2693293927. The cubic root of 30055277 is about 310.9139762698.

The spelling of 30055277 in words is "thirty million, fifty-five thousand, two hundred seventy-seven".