49710989 has 4 divisors (see below), whose sum is σ = 49868124. Its totient is φ = 49553856.

The previous prime is 49710977. The next prime is 49711001. The reversal of 49710989 is 98901794.

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

It is an interprime number because it is at equal distance from previous prime (49710977) and next prime (49711001).

It can be written as a sum of positive squares in 2 ways, for example, as 30614089 + 19096900 = 5533^2 + 4370^2 .

It is a cyclic number.

It is not a de Polignac number, because 49710989 - 2²⁴ = 32933773 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49710589) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78092 + ... + 78725.

It is an arithmetic number, because the mean of its divisors is an integer number (12467031).

Almost surely, 2^49710989 is an apocalyptic number.

It is an amenable number.

49710989 is a deficient number, since it is larger than the sum of its proper divisors (157135).

49710989 is a wasteful number, since it uses less digits than its factorization.

49710989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157134.

The product of its (nonzero) digits is 163296, while the sum is 47.

The square root of 49710989 is about 7050.6020310325. The cubic root of 49710989 is about 367.6919607373.

The spelling of 49710989 in words is "forty-nine million, seven hundred ten thousand, nine hundred eighty-nine".