49998745 has 4 divisors (see below), whose sum is σ = 59998500. Its totient is φ = 39998992.

The previous prime is 49998743. The next prime is 49998749. The reversal of 49998745 is 54789994.

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 11397376 + 38601369 = 3376^2 + 6213^2 .

It is a cyclic number.

It is not a de Polignac number, because 49998745 - 2¹ = 49998743 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49998743) 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, 4999870 + ... + 4999879.

It is an arithmetic number, because the mean of its divisors is an integer number (14999625).

Almost surely, 2^49998745 is an apocalyptic number.

It is an amenable number.

49998745 is a deficient number, since it is larger than the sum of its proper divisors (9999755).

49998745 is an equidigital number, since it uses as much as digits as its factorization.

49998745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9999754.

The product of its digits is 3265920, while the sum is 55.

The square root of 49998745 is about 7070.9790694076. The cubic root of 49998745 is about 368.4000675319.

The spelling of 49998745 in words is "forty-nine million, nine hundred ninety-eight thousand, seven hundred forty-five".