48557917 has 4 divisors (see below), whose sum is σ = 48573756. Its totient is φ = 48542080.

The previous prime is 48557897. The next prime is 48557923. The reversal of 48557917 is 71975584.

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 23367556 + 25190361 = 4834^2 + 5019^2 .

It is a cyclic number.

It is not a de Polignac number, because 48557917 - 2¹¹ = 48555869 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 (48557947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1684 + ... + 9997.

It is an arithmetic number, because the mean of its divisors is an integer number (12143439).

Almost surely, 2^48557917 is an apocalyptic number.

It is an amenable number.

48557917 is a deficient number, since it is larger than the sum of its proper divisors (15839).

48557917 is a wasteful number, since it uses less digits than its factorization.

48557917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15838.

The product of its digits is 352800, while the sum is 46.

The square root of 48557917 is about 6968.3510962063. The cubic root of 48557917 is about 364.8267570923.

The spelling of 48557917 in words is "forty-eight million, five hundred fifty-seven thousand, nine hundred seventeen".