48018919 has 4 divisors (see below), whose sum is σ = 51712696. Its totient is φ = 44325144.

The previous prime is 48018877. The next prime is 48018923. The reversal of 48018919 is 91981084.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 48018919 - 2¹⁹ = 47494631 is a prime.

It is a super-3 number, since 3×48018919³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48018989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1846869 + ... + 1846894.

It is an arithmetic number, because the mean of its divisors is an integer number (12928174).

Almost surely, 2^48018919 is an apocalyptic number.

48018919 is a deficient number, since it is larger than the sum of its proper divisors (3693777).

48018919 is a wasteful number, since it uses less digits than its factorization.

48018919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3693776.

The product of its (nonzero) digits is 20736, while the sum is 40.

The square root of 48018919 is about 6929.5684569820. The cubic root of 48018919 is about 363.4718596620.

The spelling of 48018919 in words is "forty-eight million, eighteen thousand, nine hundred nineteen".