49774819 has 12 divisors (see below), whose sum is σ = 51556960. Its totient is φ = 48044880.

The previous prime is 49774801. The next prime is 49774849. The reversal of 49774819 is 91847794.

It is not a de Polignac number, because 49774819 - 2²¹ = 47677667 is a prime.

It is a super-2 number, since 2×49774819² = 4955065212965522, which contains 22 as substring.

It is a Duffinian number.

Its product of digits (508032) is a multiple of the sum of its prime factors (378).

It is not an unprimeable number, because it can be changed into a prime (49774849) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 274909 + ... + 275089.

Almost surely, 2^49774819 is an apocalyptic number.

49774819 is a deficient number, since it is larger than the sum of its proper divisors (1782141).

49774819 is an equidigital number, since it uses as much as digits as its factorization.

49774819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378 (or 319 counting only the distinct ones).

The product of its digits is 508032, while the sum is 49.

The square root of 49774819 is about 7055.1271427239. The cubic root of 49774819 is about 367.8492682747.

The spelling of 49774819 in words is "forty-nine million, seven hundred seventy-four thousand, eight hundred nineteen".