48569399 has 4 divisors (see below), whose sum is σ = 50681136. Its totient is φ = 46457664.

The previous prime is 48569393. The next prime is 48569407. The reversal of 48569399 is 99396584.

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-48569399 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 48569399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48569393) 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, 1055834 + ... + 1055879.

It is an arithmetic number, because the mean of its divisors is an integer number (12670284).

Almost surely, 2^48569399 is an apocalyptic number.

48569399 is a deficient number, since it is larger than the sum of its proper divisors (2111737).

48569399 is a wasteful number, since it uses less digits than its factorization.

48569399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2111736.

The product of its digits is 2099520, while the sum is 53.

The square root of 48569399 is about 6969.1749152966. The cubic root of 48569399 is about 364.8555104584.

The spelling of 48569399 in words is "forty-eight million, five hundred sixty-nine thousand, three hundred ninety-nine".