48520399 has 4 divisors (see below), whose sum is σ = 49185136. Its totient is φ = 47855664.

The previous prime is 48520391. The next prime is 48520411. The reversal of 48520399 is 99302584.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 48520399 - 2³ = 48520391 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 (48520391) 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, 332259 + ... + 332404.

It is an arithmetic number, because the mean of its divisors is an integer number (12296284).

Almost surely, 2^48520399 is an apocalyptic number.

48520399 is a deficient number, since it is larger than the sum of its proper divisors (664737).

48520399 is an equidigital number, since it uses as much as digits as its factorization.

48520399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664736.

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 48520399 is about 6965.6585474742. The cubic root of 48520399 is about 364.7327724389.

The spelling of 48520399 in words is "forty-eight million, five hundred twenty thousand, three hundred ninety-nine".