49487019 has 8 divisors (see below), whose sum is σ = 67766160. Its totient is φ = 32099616.

The previous prime is 49486999. The next prime is 49487027. The reversal of 49487019 is 91078494.

49487019 = T₁₆₁₇ + T₁₆₁₈ + ... + T₁₆₅₃.

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

It is not a de Polignac number, because 49487019 - 2⁷ = 49486891 is a prime.

It is a super-2 number, since 2×49487019² = 4897930099012722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (49487819) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 222804 + ... + 223025.

It is an arithmetic number, because the mean of its divisors is an integer number (8470770).

Almost surely, 2^49487019 is an apocalyptic number.

49487019 is a deficient number, since it is larger than the sum of its proper divisors (18279141).

49487019 is a wasteful number, since it uses less digits than its factorization.

49487019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445869.

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 49487019 is about 7034.7010597466. The cubic root of 49487019 is about 367.1389243567.

The spelling of 49487019 in words is "forty-nine million, four hundred eighty-seven thousand, nineteen".