48436909 has 4 divisors (see below), whose sum is σ = 50986240. Its totient is φ = 45887580.

The previous prime is 48436901. The next prime is 48436933. The reversal of 48436909 is 90963484.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 48436909 - 2³ = 48436901 is a prime.

It is a super-2 number, since 2×48436909² = 4692268306948562, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48436901) 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, 1274637 + ... + 1274674.

It is an arithmetic number, because the mean of its divisors is an integer number (12746560).

Almost surely, 2^48436909 is an apocalyptic number.

It is an amenable number.

48436909 is a deficient number, since it is larger than the sum of its proper divisors (2549331).

48436909 is a wasteful number, since it uses less digits than its factorization.

48436909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2549330.

The product of its (nonzero) digits is 186624, while the sum is 43.

The square root of 48436909 is about 6959.6629947146. The cubic root of 48436909 is about 364.5234513925.

The spelling of 48436909 in words is "forty-eight million, four hundred thirty-six thousand, nine hundred nine".