49999719 has 32 divisors (see below), whose sum is σ = 83533824. Its totient is φ = 25843680.

The previous prime is 49999711. The next prime is 49999739. The reversal of 49999719 is 91799994.

It is not a de Polignac number, because 49999719 - 2³ = 49999711 is a prime.

It is a super-2 number, since 2×49999719² = 4999943800157922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49999711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60342 + ... + 61164.

It is an arithmetic number, because the mean of its divisors is an integer number (2610432).

Almost surely, 2^49999719 is an apocalyptic number.

49999719 is a deficient number, since it is larger than the sum of its proper divisors (33534105).

49999719 is a wasteful number, since it uses less digits than its factorization.

49999719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1107.

The product of its digits is 1653372, while the sum is 57.

The square root of 49999719 is about 7071.0479421370. The cubic root of 49999719 is about 368.4024597208.

The spelling of 49999719 in words is "forty-nine million, nine hundred ninety-nine thousand, seven hundred nineteen".