55173958 has 32 divisors (see below), whose sum is σ = 98039808. Its totient is φ = 22797600.

The previous prime is 55173953. The next prime is 55173973. The reversal of 55173958 is 85937155.

55173958 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 (55173953) 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 15 ways as a sum of consecutive naturals, for example, 46128 + ... + 47308.

It is an arithmetic number, because the mean of its divisors is an integer number (3063744).

Almost surely, 2^55173958 is an apocalyptic number.

55173958 is a deficient number, since it is larger than the sum of its proper divisors (42865850).

55173958 is a wasteful number, since it uses less digits than its factorization.

55173958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1308.

The product of its digits is 189000, while the sum is 43.

The square root of 55173958 is about 7427.9174739627. The cubic root of 55173958 is about 380.6957659287.

The spelling of 55173958 in words is "fifty-five million, one hundred seventy-three thousand, nine hundred fifty-eight".