48378561 has 16 divisors (see below), whose sum is σ = 80421888. Its totient is φ = 25131600.

The previous prime is 48378553. The next prime is 48378571. The reversal of 48378561 is 16587384.

It is not a de Polignac number, because 48378561 - 2³ = 48378553 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (48378511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104485 + ... + 104946.

It is an arithmetic number, because the mean of its divisors is an integer number (5026368).

Almost surely, 2^48378561 is an apocalyptic number.

It is an amenable number.

48378561 is a deficient number, since it is larger than the sum of its proper divisors (32043327).

48378561 is a wasteful number, since it uses less digits than its factorization.

48378561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209452.

The product of its digits is 161280, while the sum is 42.

The square root of 48378561 is about 6955.4698619144. The cubic root of 48378561 is about 364.3770220068.

The spelling of 48378561 in words is "forty-eight million, three hundred seventy-eight thousand, five hundred sixty-one".