55288004 has 12 divisors (see below), whose sum is σ = 99875328. Its totient is φ = 26752200.

The previous prime is 55288003. The next prime is 55288033. The reversal of 55288004 is 40088255.

It is not an unprimeable number, because it can be changed into a prime (55288003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 222812 + ... + 223059.

It is an arithmetic number, because the mean of its divisors is an integer number (8322944).

Almost surely, 2^55288004 is an apocalyptic number.

It is an amenable number.

55288004 is a deficient number, since it is larger than the sum of its proper divisors (44587324).

55288004 is a wasteful number, since it uses less digits than its factorization.

55288004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445906 (or 445904 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 32.

The square root of 55288004 is about 7435.5903598840. The cubic root of 55288004 is about 380.9578880761.

The spelling of 55288004 in words is "fifty-five million, two hundred eighty-eight thousand, four".