55412428 has 12 divisors (see below), whose sum is σ = 101188080. Its totient is φ = 26501552.

The previous prime is 55412381. The next prime is 55412429. The reversal of 55412428 is 82421455.

55412428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 55412428.

It is not an unprimeable number, because it can be changed into a prime (55412429) 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, 301063 + ... + 301246.

It is an arithmetic number, because the mean of its divisors is an integer number (8432340).

Almost surely, 2^55412428 is an apocalyptic number.

It is an amenable number.

55412428 is a deficient number, since it is larger than the sum of its proper divisors (45775652).

55412428 is a wasteful number, since it uses less digits than its factorization.

55412428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 602336 (or 602334 counting only the distinct ones).

The product of its digits is 12800, while the sum is 31.

The square root of 55412428 is about 7443.9524447702. The cubic root of 55412428 is about 381.2434520778.

The spelling of 55412428 in words is "fifty-five million, four hundred twelve thousand, four hundred twenty-eight".