30554428 has 12 divisors (see below), whose sum is σ = 53508952. Its totient is φ = 15266160.

The previous prime is 30554417. The next prime is 30554431. The reversal of 30554428 is 82445503.

It is a self number, because there is not a number n which added to its sum of digits gives 30554428.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9526 + ... + 12322.

Almost surely, 2^30554428 is an apocalyptic number.

It is an amenable number.

30554428 is a deficient number, since it is larger than the sum of its proper divisors (22954524).

30554428 is a wasteful number, since it uses less digits than its factorization.

30554428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5532 (or 5530 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 31.

The square root of 30554428 is about 5527.6059917472. The cubic root of 30554428 is about 312.6257303139.

The spelling of 30554428 in words is "thirty million, five hundred fifty-four thousand, four hundred twenty-eight".