49774249 has 12 divisors (see below), whose sum is σ = 61307604. Its totient is φ = 40153344.

The previous prime is 49774211. The next prime is 49774271. The reversal of 49774249 is 94247794.

It can be written as a sum of positive squares in 2 ways, for example, as 35485849 + 14288400 = 5957^2 + 3780^2 .

It is not a de Polignac number, because 49774249 - 2²⁵ = 16219817 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 49774199 and 49774208.

It is not an unprimeable number, because it can be changed into a prime (49774279) 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, 29044 + ... + 30709.

It is an arithmetic number, because the mean of its divisors is an integer number (5108967).

Almost surely, 2^49774249 is an apocalyptic number.

49774249 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

49774249 is a deficient number, since it is larger than the sum of its proper divisors (11533355).

49774249 is a wasteful number, since it uses less digits than its factorization.

49774249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59784 (or 59777 counting only the distinct ones).

The product of its digits is 508032, while the sum is 46.

The square root of 49774249 is about 7055.0867464546. The cubic root of 49774249 is about 367.8478641183.

Adding to 49774249 its product of digits (508032), we get a square (50282281 = 7091²).

The spelling of 49774249 in words is "forty-nine million, seven hundred seventy-four thousand, two hundred forty-nine".