48644515 has 4 divisors (see below), whose sum is σ = 58373424. Its totient is φ = 38915608.

The previous prime is 48644509. The next prime is 48644521. The reversal of 48644515 is 51544684.

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

It is an interprime number because it is at equal distance from previous prime (48644509) and next prime (48644521).

It is a cyclic number.

It is not a de Polignac number, because 48644515 - 2¹¹ = 48642467 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4864447 + ... + 4864456.

It is an arithmetic number, because the mean of its divisors is an integer number (14593356).

Almost surely, 2^48644515 is an apocalyptic number.

48644515 is a deficient number, since it is larger than the sum of its proper divisors (9728909).

48644515 is an equidigital number, since it uses as much as digits as its factorization.

48644515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9728908.

The product of its digits is 76800, while the sum is 37.

The square root of 48644515 is about 6974.5619934158. The cubic root of 48644515 is about 365.0435051665.

The spelling of 48644515 in words is "forty-eight million, six hundred forty-four thousand, five hundred fifteen".