54772188 has 24 divisors (see below), whose sum is σ = 127937040. Its totient is φ = 18238080.

The previous prime is 54772171. The next prime is 54772217. The reversal of 54772188 is 88127745.

54772188 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 an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 13698 + ... + 17238.

It is an arithmetic number, because the mean of its divisors is an integer number (5330710).

Almost surely, 2^54772188 is an apocalyptic number.

It is an amenable number.

54772188 is an abundant number, since it is smaller than the sum of its proper divisors (73164852).

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

54772188 is a wasteful number, since it uses less digits than its factorization.

54772188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4837 (or 4835 counting only the distinct ones).

The product of its digits is 125440, while the sum is 42.

The square root of 54772188 is about 7400.8234676960. The cubic root of 54772188 is about 379.7694538770.

The spelling of 54772188 in words is "fifty-four million, seven hundred seventy-two thousand, one hundred eighty-eight".