55030472 has 16 divisors (see below), whose sum is σ = 117922560. Its totient is φ = 23584464.

The previous prime is 55030463. The next prime is 55030477. The reversal of 55030472 is 27403055.

55030472 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (55030477) by changing a digit.

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, 491288 + ... + 491399.

It is an arithmetic number, because the mean of its divisors is an integer number (7370160).

Almost surely, 2^55030472 is an apocalyptic number.

It is an amenable number.

55030472 is an abundant number, since it is smaller than the sum of its proper divisors (62892088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55030472 is a wasteful number, since it uses less digits than its factorization.

55030472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 982700 (or 982696 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 26.

The square root of 55030472 is about 7418.2526244393. The cubic root of 55030472 is about 380.3654655748.

The spelling of 55030472 in words is "fifty-five million, thirty thousand, four hundred seventy-two".