52198307 has 4 divisors (see below), whose sum is σ = 59655216. Its totient is φ = 44741400.

The previous prime is 52198271. The next prime is 52198331. The reversal of 52198307 is 70389125.

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

It is a cyclic number.

It is not a de Polignac number, because 52198307 - 2⁸ = 52198051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52198357) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3728444 + ... + 3728457.

It is an arithmetic number, because the mean of its divisors is an integer number (14913804).

Almost surely, 2^52198307 is an apocalyptic number.

52198307 is a deficient number, since it is larger than the sum of its proper divisors (7456909).

52198307 is an equidigital number, since it uses as much as digits as its factorization.

52198307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7456908.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 52198307 is about 7224.8395829942. The cubic root of 52198307 is about 373.7249901424.

The spelling of 52198307 in words is "fifty-two million, one hundred ninety-eight thousand, three hundred seven".