55894428 has 48 divisors (see below), whose sum is σ = 152544000. Its totient is φ = 17650224.

The previous prime is 55894427. The next prime is 55894463. The reversal of 55894428 is 82449855.

55894428 is a `hidden beast` number, since 5 + 589 + 44 + 28 = 666.

55894428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55894427) 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 15 ways as a sum of consecutive naturals, for example, 11568 + ... + 15671.

It is an arithmetic number, because the mean of its divisors is an integer number (3178000).

Almost surely, 2^55894428 is an apocalyptic number.

It is an amenable number.

55894428 is an abundant number, since it is smaller than the sum of its proper divisors (96649572).

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

55894428 is a wasteful number, since it uses less digits than its factorization.

55894428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27271 (or 27263 counting only the distinct ones).

The product of its digits is 460800, while the sum is 45.

The square root of 55894428 is about 7476.2576199593. The cubic root of 55894428 is about 382.3456663027.

The spelling of 55894428 in words is "fifty-five million, eight hundred ninety-four thousand, four hundred twenty-eight".