48115439 has 4 divisors (see below), whose sum is σ = 48565224. Its totient is φ = 47665656.

The previous prime is 48115399. The next prime is 48115469. The reversal of 48115439 is 93451184.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-48115439 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 48115399 and 48115408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48115469) 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, 224732 + ... + 224945.

It is an arithmetic number, because the mean of its divisors is an integer number (12141306).

Almost surely, 2^48115439 is an apocalyptic number.

48115439 is a deficient number, since it is larger than the sum of its proper divisors (449785).

48115439 is a wasteful number, since it uses less digits than its factorization.

48115439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449784.

The product of its digits is 17280, while the sum is 35.

The square root of 48115439 is about 6936.5293194796. The cubic root of 48115439 is about 363.7152277984.

The spelling of 48115439 in words is "forty-eight million, one hundred fifteen thousand, four hundred thirty-nine".