52633218 has 16 divisors (see below), whose sum is σ = 114836256. Its totient is φ = 15949440.

The previous prime is 52633201. The next prime is 52633271. The reversal of 52633218 is 81233625.

It is an unprimeable number.

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, 398671 + ... + 398802.

It is an arithmetic number, because the mean of its divisors is an integer number (7177266).

Almost surely, 2^52633218 is an apocalyptic number.

52633218 is an abundant number, since it is smaller than the sum of its proper divisors (62203038).

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

52633218 is a wasteful number, since it uses less digits than its factorization.

52633218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 797489.

The product of its digits is 8640, while the sum is 30.

The square root of 52633218 is about 7254.8754641276. The cubic root of 52633218 is about 374.7600669629.

The spelling of 52633218 in words is "fifty-two million, six hundred thirty-three thousand, two hundred eighteen".