52320198 has 16 divisors (see below), whose sum is σ = 119589120. Its totient is φ = 14948616.

The previous prime is 52320181. The next prime is 52320227. The reversal of 52320198 is 89102325.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 622818 + ... + 622901.

It is an arithmetic number, because the mean of its divisors is an integer number (7474320).

Almost surely, 2^52320198 is an apocalyptic number.

52320198 is an abundant number, since it is smaller than the sum of its proper divisors (67268922).

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

52320198 is a wasteful number, since it uses less digits than its factorization.

52320198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1245731.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 52320198 is about 7233.2702147784. The cubic root of 52320198 is about 374.0156656006.

The spelling of 52320198 in words is "fifty-two million, three hundred twenty thousand, one hundred ninety-eight".