48615813 has 48 divisors (see below), whose sum is σ = 79073280. Its totient is φ = 28635552.

The previous prime is 48615811. The next prime is 48615821. The reversal of 48615813 is 31851684.

48615813 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 48615813 - 2¹ = 48615811 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48615811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 184720 + ... + 184982.

It is an arithmetic number, because the mean of its divisors is an integer number (1647360).

Almost surely, 2^48615813 is an apocalyptic number.

It is an amenable number.

48615813 is a deficient number, since it is larger than the sum of its proper divisors (30457467).

48615813 is a wasteful number, since it uses less digits than its factorization.

48615813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358 (or 355 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 48615813 is about 6972.5040695578. The cubic root of 48615813 is about 364.9716948088.

The spelling of 48615813 in words is "forty-eight million, six hundred fifteen thousand, eight hundred thirteen".