48564915 has 32 divisors (see below), whose sum is σ = 89066496. Its totient is φ = 22135680.

The previous prime is 48564913. The next prime is 48564947. The reversal of 48564915 is 51946584.

48564915 = 1856² + 1857² + ... + 1869².

48564915 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 48564915 - 2¹ = 48564913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (48564913) 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 31 ways as a sum of consecutive naturals, for example, 65889 + ... + 66621.

It is an arithmetic number, because the mean of its divisors is an integer number (2783328).

Almost surely, 2^48564915 is an apocalyptic number.

48564915 is a deficient number, since it is larger than the sum of its proper divisors (40501581).

48564915 is a wasteful number, since it uses less digits than its factorization.

48564915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1379.

The product of its digits is 172800, while the sum is 42.

The square root of 48564915 is about 6968.8532055138. The cubic root of 48564915 is about 364.8442821096.

The spelling of 48564915 in words is "forty-eight million, five hundred sixty-four thousand, nine hundred fifteen".