30556090 has 16 divisors (see below), whose sum is σ = 56039688. Its totient is φ = 11991616.

The previous prime is 30556081. The next prime is 30556133. The reversal of 30556090 is 9065503.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 29343889 + 1212201 = 5417^2 + 1101^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28297 + ... + 29356.

Almost surely, 2^30556090 is an apocalyptic number.

30556090 is a deficient number, since it is larger than the sum of its proper divisors (25483598).

30556090 is a wasteful number, since it uses less digits than its factorization.

30556090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57713.

The product of its (nonzero) digits is 4050, while the sum is 28.

The square root of 30556090 is about 5527.7563260332. The cubic root of 30556090 is about 312.6313986090.

The spelling of 30556090 in words is "thirty million, five hundred fifty-six thousand, ninety".