48915913 has 8 divisors (see below), whose sum is σ = 50149800. Its totient is φ = 47697408.

The previous prime is 48915901. The next prime is 48915929. The reversal of 48915913 is 31951984.

It can be written as a sum of positive squares in 4 ways, for example, as 1471369 + 47444544 = 1213^2 + 6888^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 48915913 - 2⁹ = 48915401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48915943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2733 + ... + 10261.

It is an arithmetic number, because the mean of its divisors is an integer number (6268725).

Almost surely, 2^48915913 is an apocalyptic number.

It is an amenable number.

48915913 is a deficient number, since it is larger than the sum of its proper divisors (1233887).

48915913 is an equidigital number, since it uses as much as digits as its factorization.

48915913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7691.

The product of its digits is 38880, while the sum is 40.

The square root of 48915913 is about 6993.9912067431. The cubic root of 48915913 is about 365.7211313983.

The spelling of 48915913 in words is "forty-eight million, nine hundred fifteen thousand, nine hundred thirteen".