30455564 has 12 divisors (see below), whose sum is σ = 54201000. Its totient is φ = 14969568.

The previous prime is 30455563. The next prime is 30455569. The reversal of 30455564 is 46555403.

It is a self number, because there is not a number n which added to its sum of digits gives 30455564.

It is not an unprimeable number, because it can be changed into a prime (30455563) 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, 64289 + ... + 64760.

It is an arithmetic number, because the mean of its divisors is an integer number (4516750).

Almost surely, 2^30455564 is an apocalyptic number.

It is an amenable number.

30455564 is a deficient number, since it is larger than the sum of its proper divisors (23745436).

30455564 is a wasteful number, since it uses less digits than its factorization.

30455564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129112 (or 129110 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 32.

The square root of 30455564 is about 5518.6559958019. The cubic root of 30455564 is about 312.2881815779.

The spelling of 30455564 in words is "thirty million, four hundred fifty-five thousand, five hundred sixty-four".