49775619 has 16 divisors (see below), whose sum is σ = 68372640. Its totient is φ = 32186880.

The previous prime is 49775597. The next prime is 49775623. The reversal of 49775619 is 91657794.

It is a happy number.

It is not a de Polignac number, because 49775619 - 2⁵ = 49775587 is a prime.

It is a super-2 number, since 2×49775619² = 4955224493666322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (49775659) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56059 + ... + 56939.

It is an arithmetic number, because the mean of its divisors is an integer number (4273290).

Almost surely, 2^49775619 is an apocalyptic number.

49775619 is a deficient number, since it is larger than the sum of its proper divisors (18597021).

49775619 is a wasteful number, since it uses less digits than its factorization.

49775619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1430.

The product of its digits is 476280, while the sum is 48.

The square root of 49775619 is about 7055.1838388521. The cubic root of 49775619 is about 367.8512390023.

The spelling of 49775619 in words is "forty-nine million, seven hundred seventy-five thousand, six hundred nineteen".