55207888 has 20 divisors (see below), whose sum is σ = 107090368. Its totient is φ = 27571680.

The previous prime is 55207883. The next prime is 55207903. The reversal of 55207888 is 88870255.

55207888 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 (55207883) 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, 18295 + ... + 21097.

Almost surely, 2^55207888 is an apocalyptic number.

It is an amenable number.

55207888 is a deficient number, since it is larger than the sum of its proper divisors (51882480).

55207888 is a wasteful number, since it uses less digits than its factorization.

55207888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4042 (or 4036 counting only the distinct ones).

The product of its (nonzero) digits is 179200, while the sum is 43.

The square root of 55207888 is about 7430.2010739952. The cubic root of 55207888 is about 380.7737880058.

The spelling of 55207888 in words is "fifty-five million, two hundred seven thousand, eight hundred eighty-eight".