48644015 has 24 divisors (see below), whose sum is σ = 68213952. Its totient is φ = 33203520.

The previous prime is 48643981. The next prime is 48644033. The reversal of 48644015 is 51044684.

It is not a de Polignac number, because 48644015 - 2¹⁰ = 48642991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 89645 + ... + 90185.

It is an arithmetic number, because the mean of its divisors is an integer number (2842248).

Almost surely, 2^48644015 is an apocalyptic number.

48644015 is a deficient number, since it is larger than the sum of its proper divisors (19569937).

48644015 is a wasteful number, since it uses less digits than its factorization.

48644015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 927 (or 920 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 48644015 is about 6974.5261487789. The cubic root of 48644015 is about 365.0422544439.

Adding to 48644015 its reverse (51044684), we get a palindrome (99688699).

The spelling of 48644015 in words is "forty-eight million, six hundred forty-four thousand, fifteen".