52218358 has 4 divisors (see below), whose sum is σ = 78327540. Its totient is φ = 26109178.

The previous prime is 52218343. The next prime is 52218401. The reversal of 52218358 is 85381225.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13054588 + ... + 13054591.

It is an arithmetic number, because the mean of its divisors is an integer number (19581885).

Almost surely, 2^52218358 is an apocalyptic number.

52218358 is a deficient number, since it is larger than the sum of its proper divisors (26109182).

52218358 is a wasteful number, since it uses less digits than its factorization.

52218358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26109181.

The product of its digits is 19200, while the sum is 34.

The square root of 52218358 is about 7226.2270930272. The cubic root of 52218358 is about 373.7728371634.

The spelling of 52218358 in words is "fifty-two million, two hundred eighteen thousand, three hundred fifty-eight".