49123189 has 8 divisors (see below), whose sum is σ = 53377280. Its totient is φ = 45036000.

The previous prime is 49123181. The next prime is 49123199. The reversal of 49123189 is 98132194.

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

It is a cyclic number.

It is not a de Polignac number, because 49123189 - 2³ = 49123181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49123181) 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 7 ways as a sum of consecutive naturals, for example, 41112 + ... + 42289.

It is an arithmetic number, because the mean of its divisors is an integer number (6672160).

Almost surely, 2^49123189 is an apocalyptic number.

It is an amenable number.

49123189 is a deficient number, since it is larger than the sum of its proper divisors (4254091).

49123189 is a wasteful number, since it uses less digits than its factorization.

49123189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83451.

The product of its digits is 15552, while the sum is 37.

The square root of 49123189 is about 7008.7936907859. The cubic root of 49123189 is about 366.2369716620.

Adding to 49123189 its product of digits (15552), we get a triangular number (49138741 = T₉₉₁₃).

The spelling of 49123189 in words is "forty-nine million, one hundred twenty-three thousand, one hundred eighty-nine".