55179193 has 4 divisors (see below), whose sum is σ = 55323648. Its totient is φ = 55034740.

The previous prime is 55179169. The next prime is 55179217. The reversal of 55179193 is 39197155.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (55179169) and next prime (55179217).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55179193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55179493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71653 + ... + 72418.

It is an arithmetic number, because the mean of its divisors is an integer number (13830912).

Almost surely, 2^55179193 is an apocalyptic number.

It is an amenable number.

55179193 is a deficient number, since it is larger than the sum of its proper divisors (144455).

55179193 is a wasteful number, since it uses less digits than its factorization.

55179193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144454.

The product of its digits is 42525, while the sum is 40.

The square root of 55179193 is about 7428.2698523950. The cubic root of 55179193 is about 380.7078059042.

The spelling of 55179193 in words is "fifty-five million, one hundred seventy-nine thousand, one hundred ninety-three".