52214018 has 16 divisors (see below), whose sum is σ = 79411200. Its totient is φ = 25746336.

The previous prime is 52214017. The next prime is 52214047. The reversal of 52214018 is 81041225.

It is a junction number, because it is equal to n+sod(n) for n = 52213984 and 52214002.

It is not an unprimeable number, because it can be changed into a prime (52214017) 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 7 ways as a sum of consecutive naturals, for example, 50030 + ... + 51062.

It is an arithmetic number, because the mean of its divisors is an integer number (4963200).

Almost surely, 2^52214018 is an apocalyptic number.

52214018 is a deficient number, since it is larger than the sum of its proper divisors (27197182).

52214018 is a wasteful number, since it uses less digits than its factorization.

52214018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1361.

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 52214018 is about 7225.9267917687. The cubic root of 52214018 is about 373.7624818074.

The spelling of 52214018 in words is "fifty-two million, two hundred fourteen thousand, eighteen".