48982309 has 4 divisors (see below), whose sum is σ = 49139116. Its totient is φ = 48825504.

The previous prime is 48982279. The next prime is 48982313. The reversal of 48982309 is 90328984.

It is a happy number.

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 16378209 + 32604100 = 4047^2 + 5710^2 .

It is a cyclic number.

It is not a de Polignac number, because 48982309 - 2⁷ = 48982181 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 (48982369) 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, 77934 + ... + 78559.

It is an arithmetic number, because the mean of its divisors is an integer number (12284779).

Almost surely, 2^48982309 is an apocalyptic number.

It is an amenable number.

48982309 is a deficient number, since it is larger than the sum of its proper divisors (156807).

48982309 is a wasteful number, since it uses less digits than its factorization.

48982309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156806.

The product of its (nonzero) digits is 124416, while the sum is 43.

The square root of 48982309 is about 6998.7362430656. The cubic root of 48982309 is about 365.8865270773.

The spelling of 48982309 in words is "forty-eight million, nine hundred eighty-two thousand, three hundred nine".