49837789 has 4 divisors (see below), whose sum is σ = 49995324. Its totient is φ = 49680256.

The previous prime is 49837787. The next prime is 49837819. The reversal of 49837789 is 98773894.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10562500 + 39275289 = 3250^2 + 6267^2 .

It is a cyclic number.

It is not a de Polignac number, because 49837789 - 2¹ = 49837787 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 (49837787) 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 3 ways as a sum of consecutive naturals, for example, 78292 + ... + 78925.

It is an arithmetic number, because the mean of its divisors is an integer number (12498831).

Almost surely, 2^49837789 is an apocalyptic number.

It is an amenable number.

49837789 is a deficient number, since it is larger than the sum of its proper divisors (157535).

49837789 is a wasteful number, since it uses less digits than its factorization.

49837789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157534.

The product of its digits is 3048192, while the sum is 55.

The square root of 49837789 is about 7059.5884440950. The cubic root of 49837789 is about 368.0043246381.

The spelling of 49837789 in words is "forty-nine million, eight hundred thirty-seven thousand, seven hundred eighty-nine".