55208288 has 12 divisors (see below), whose sum is σ = 108691380. Its totient is φ = 27604128.

The previous prime is 55208287. The next prime is 55208311. The reversal of 55208288 is 88280255.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55208287) 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 as a sum of consecutive naturals, namely, 862598 + ... + 862661.

It is an arithmetic number, because the mean of its divisors is an integer number (9057615).

Almost surely, 2^55208288 is an apocalyptic number.

It is an amenable number.

55208288 is a deficient number, since it is larger than the sum of its proper divisors (53483092).

55208288 is a wasteful number, since it uses less digits than its factorization.

55208288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1725269 (or 1725261 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 38.

The square root of 55208288 is about 7430.2279911184. The cubic root of 55208288 is about 380.7747076156.

The spelling of 55208288 in words is "fifty-five million, two hundred eight thousand, two hundred eighty-eight".