48705409 has 4 divisors (see below), whose sum is σ = 48886740. Its totient is φ = 48524080.

The previous prime is 48705401. The next prime is 48705443. The reversal of 48705409 is 90450784.

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 19847025 + 28858384 = 4455^2 + 5372^2 .

It is a cyclic number.

It is not a de Polignac number, because 48705409 - 2³ = 48705401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48705401) 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, 90262 + ... + 90799.

It is an arithmetic number, because the mean of its divisors is an integer number (12221685).

Almost surely, 2^48705409 is an apocalyptic number.

It is an amenable number.

48705409 is a deficient number, since it is larger than the sum of its proper divisors (181331).

48705409 is a wasteful number, since it uses less digits than its factorization.

48705409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181330.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 48705409 is about 6978.9260635144. The cubic root of 48705409 is about 365.1957641288.

The spelling of 48705409 in words is "forty-eight million, seven hundred five thousand, four hundred nine".