48378519 has 16 divisors (see below), whose sum is σ = 81911040. Its totient is φ = 27644760.

The previous prime is 48378511. The next prime is 48378529. The reversal of 48378519 is 91587384.

48378519 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 48378519 - 2³ = 48378511 is a prime.

It is a super-2 number, since 2×48378519² = 4680962201266722, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent 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 (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127797 + ... + 128174.

It is an arithmetic number, because the mean of its divisors is an integer number (5119440).

Almost surely, 2^48378519 is an apocalyptic number.

48378519 is a deficient number, since it is larger than the sum of its proper divisors (33532521).

48378519 is a wasteful number, since it uses less digits than its factorization.

48378519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255987 (or 255981 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 48378519 is about 6955.4668427073. The cubic root of 48378519 is about 364.3769165617.

The spelling of 48378519 in words is "forty-eight million, three hundred seventy-eight thousand, five hundred nineteen".