55192143 has 8 divisors (see below), whose sum is σ = 73638400. Its totient is φ = 36770328.

The previous prime is 55192141. The next prime is 55192187. The reversal of 55192143 is 34129155.

55192143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55192143 - 2¹ = 55192141 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55192143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55192141) 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 7 ways as a sum of consecutive naturals, for example, 48 + ... + 10506.

It is an arithmetic number, because the mean of its divisors is an integer number (9204800).

Almost surely, 2^55192143 is an apocalyptic number.

55192143 is a deficient number, since it is larger than the sum of its proper divisors (18446257).

55192143 is a wasteful number, since it uses less digits than its factorization.

55192143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12221.

The product of its digits is 5400, while the sum is 30.

The square root of 55192143 is about 7429.1414712603. The cubic root of 55192143 is about 380.7375863352.

The spelling of 55192143 in words is "fifty-five million, one hundred ninety-two thousand, one hundred forty-three".