49259919 has 8 divisors (see below), whose sum is σ = 66471552. Its totient is φ = 32444120.

The previous prime is 49259909. The next prime is 49259927. The reversal of 49259919 is 91995294.

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 49259919 - 2⁵ = 49259887 is a prime.

It is a super-2 number, since 2×49259919² = 4853079239773122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49259909) 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, 98667 + ... + 99164.

It is an arithmetic number, because the mean of its divisors is an integer number (8308944).

Almost surely, 2^49259919 is an apocalyptic number.

49259919 is a deficient number, since it is larger than the sum of its proper divisors (17211633).

49259919 is a wasteful number, since it uses less digits than its factorization.

49259919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197917.

The product of its digits is 262440, while the sum is 48.

The square root of 49259919 is about 7018.5410877190. The cubic root of 49259919 is about 366.5764528288.

The spelling of 49259919 in words is "forty-nine million, two hundred fifty-nine thousand, nine hundred nineteen".