49851969 has 8 divisors (see below), whose sum is σ = 66601920. Its totient is φ = 33168336.

The previous prime is 49851947. The next prime is 49851983. The reversal of 49851969 is 96915894.

49851969 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 49851969 - 2⁸ = 49851713 is a prime.

It is a super-2 number, since 2×49851969² = 4970437626353922, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (49851169) 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 7 ways as a sum of consecutive naturals, for example, 14797 + ... + 17850.

It is an arithmetic number, because the mean of its divisors is an integer number (8325240).

Almost surely, 2^49851969 is an apocalyptic number.

It is an amenable number.

49851969 is a deficient number, since it is larger than the sum of its proper divisors (16749951).

49851969 is a wasteful number, since it uses less digits than its factorization.

49851969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33159.

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

The square root of 49851969 is about 7060.5926805049. The cubic root of 49851969 is about 368.0392232334.

The spelling of 49851969 in words is "forty-nine million, eight hundred fifty-one thousand, nine hundred sixty-nine".