49783725 has 18 divisors (see below), whose sum is σ = 89168586. Its totient is φ = 26551200.

The previous prime is 49783703. The next prime is 49783729. The reversal of 49783725 is 52738794.

It can be written as a sum of positive squares in 3 ways, for example, as 16016004 + 33767721 = 4002^2 + 5811^2 .

It is not a de Polignac number, because 49783725 - 2⁵ = 49783693 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49783729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 110406 + ... + 110855.

Almost surely, 2^49783725 is an apocalyptic number.

49783725 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

49783725 is a deficient number, since it is larger than the sum of its proper divisors (39384861).

49783725 is a wasteful number, since it uses less digits than its factorization.

49783725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221277 (or 221269 counting only the distinct ones).

The product of its digits is 423360, while the sum is 45.

The square root of 49783725 is about 7055.7582866762. The cubic root of 49783725 is about 367.8712062095.

The spelling of 49783725 in words is "forty-nine million, seven hundred eighty-three thousand, seven hundred twenty-five".