30255956 has 6 divisors (see below), whose sum is σ = 52947930. Its totient is φ = 15127976.

The previous prime is 30255947. The next prime is 30255997. The reversal of 30255956 is 65955203.

It can be written as a sum of positive squares in only one way, i.e., 18627856 + 11628100 = 4316^2 + 3410^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3781991 + ... + 3781998.

It is an arithmetic number, because the mean of its divisors is an integer number (8824655).

Almost surely, 2^30255956 is an apocalyptic number.

It is an amenable number.

30255956 is a deficient number, since it is larger than the sum of its proper divisors (22691974).

30255956 is a wasteful number, since it uses less digits than its factorization.

30255956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7563993 (or 7563991 counting only the distinct ones).

The product of its (nonzero) digits is 40500, while the sum is 35.

The square root of 30255956 is about 5500.5414278960. The cubic root of 30255956 is about 311.6044323995.

The spelling of 30255956 in words is "thirty million, two hundred fifty-five thousand, nine hundred fifty-six".