49856619 has 4 divisors (see below), whose sum is σ = 66475496. Its totient is φ = 33237744.

The previous prime is 49856579. The next prime is 49856621. The reversal of 49856619 is 91665894.

49856619 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 49856619 - 2⁸ = 49856363 is a prime.

It is a super-2 number, since 2×49856619² = 4971364916222322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49856119) 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 3 ways as a sum of consecutive naturals, for example, 8309434 + ... + 8309439.

It is an arithmetic number, because the mean of its divisors is an integer number (16618874).

Almost surely, 2^49856619 is an apocalyptic number.

49856619 is a deficient number, since it is larger than the sum of its proper divisors (16618877).

49856619 is a wasteful number, since it uses less digits than its factorization.

49856619 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16618876.

The product of its digits is 466560, while the sum is 48.

The square root of 49856619 is about 7060.9219652960. The cubic root of 49856619 is about 368.0506659722.

The spelling of 49856619 in words is "forty-nine million, eight hundred fifty-six thousand, six hundred nineteen".