52380018 has 24 divisors (see below), whose sum is σ = 117152256. Its totient is φ = 16896600.

The previous prime is 52379989. The next prime is 52380047. The reversal of 52380018 is 81008325.

It is a happy number.

52380018 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (52379989) and next prime (52380047).

It is a junction number, because it is equal to n+sod(n) for n = 52379973 and 52380000.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 46378 + ... + 47493.

It is an arithmetic number, because the mean of its divisors is an integer number (4881344).

Almost surely, 2^52380018 is an apocalyptic number.

52380018 is an abundant number, since it is smaller than the sum of its proper divisors (64772238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52380018 is a wasteful number, since it uses less digits than its factorization.

52380018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93910 (or 93907 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 52380018 is about 7237.4040926288. The cubic root of 52380018 is about 374.1581542026.

The spelling of 52380018 in words is "fifty-two million, three hundred eighty thousand, eighteen".