49189659 has 4 divisors (see below), whose sum is σ = 65586216. Its totient is φ = 32793104.

The previous prime is 49189649. The next prime is 49189661. The reversal of 49189659 is 95698194.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 49189659 - 2⁴ = 49189643 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49189649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8198274 + ... + 8198279.

It is an arithmetic number, because the mean of its divisors is an integer number (16396554).

Almost surely, 2^49189659 is an apocalyptic number.

49189659 is a deficient number, since it is larger than the sum of its proper divisors (16396557).

49189659 is a wasteful number, since it uses less digits than its factorization.

49189659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16396556.

The product of its digits is 699840, while the sum is 51.

The square root of 49189659 is about 7013.5339879407. The cubic root of 49189659 is about 366.4020858044.

The spelling of 49189659 in words is "forty-nine million, one hundred eighty-nine thousand, six hundred fifty-nine".