52214397 has 4 divisors (see below), whose sum is σ = 69619200. Its totient is φ = 34809596.

The previous prime is 52214291. The next prime is 52214417. The reversal of 52214397 is 79341225.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 52214397 - 2⁷ = 52214269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52213397) 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, 8702397 + ... + 8702402.

It is an arithmetic number, because the mean of its divisors is an integer number (17404800).

Almost surely, 2^52214397 is an apocalyptic number.

It is an amenable number.

52214397 is a deficient number, since it is larger than the sum of its proper divisors (17404803).

52214397 is a wasteful number, since it uses less digits than its factorization.

52214397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17404802.

The product of its digits is 15120, while the sum is 33.

The square root of 52214397 is about 7225.9530167307. The cubic root of 52214397 is about 373.7633861344.

The spelling of 52214397 in words is "fifty-two million, two hundred fourteen thousand, three hundred ninety-seven".