49827997 has 8 divisors (see below), whose sum is σ = 51142392. Its totient is φ = 48518400.

The previous prime is 49827983. The next prime is 49828007. The reversal of 49827997 is 79972894.

49827997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 8173881 + 41654116 = 2859^2 + 6454^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49827997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49827397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30403 + ... + 31999.

It is an arithmetic number, because the mean of its divisors is an integer number (6392799).

Almost surely, 2^49827997 is an apocalyptic number.

It is an amenable number.

49827997 is a deficient number, since it is larger than the sum of its proper divisors (1314395).

49827997 is a wasteful number, since it uses less digits than its factorization.

49827997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2399.

The product of its digits is 2286144, while the sum is 55.

The square root of 49827997 is about 7058.8948851786. The cubic root of 49827997 is about 367.9802215465.

The spelling of 49827997 in words is "forty-nine million, eight hundred twenty-seven thousand, nine hundred ninety-seven".