55203168 has 24 divisors (see below), whose sum is σ = 144908568. Its totient is φ = 18401024.

The previous prime is 55203167. The next prime is 55203193. The reversal of 55203168 is 86130255.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55203163) 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, 287421 + ... + 287612.

It is an arithmetic number, because the mean of its divisors is an integer number (6037857).

Almost surely, 2^55203168 is an apocalyptic number.

It is an amenable number.

55203168 is an abundant number, since it is smaller than the sum of its proper divisors (89705400).

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

55203168 is a wasteful number, since it uses less digits than its factorization.

55203168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575046 (or 575038 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 55203168 is about 7429.8834445770. The cubic root of 55203168 is about 380.7629362745.

The spelling of 55203168 in words is "fifty-five million, two hundred three thousand, one hundred sixty-eight".