49618859 has 4 divisors (see below), whose sum is σ = 49868400. Its totient is φ = 49369320.

The previous prime is 49618841. The next prime is 49618867. The reversal of 49618859 is 95881694.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49618859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49612859) 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, 124472 + ... + 124869.

It is an arithmetic number, because the mean of its divisors is an integer number (12467100).

Almost surely, 2^49618859 is an apocalyptic number.

49618859 is a deficient number, since it is larger than the sum of its proper divisors (249541).

49618859 is a wasteful number, since it uses less digits than its factorization.

49618859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249540.

The product of its digits is 622080, while the sum is 50.

The square root of 49618859 is about 7044.0655164472. The cubic root of 49618859 is about 367.4646708907.

The spelling of 49618859 in words is "forty-nine million, six hundred eighteen thousand, eight hundred fifty-nine".