52622197 has 4 divisors (see below), whose sum is σ = 52677036. Its totient is φ = 52567360.

The previous prime is 52622149. The next prime is 52622231. The reversal of 52622197 is 79122625.

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

It can be written as a sum of positive squares in 2 ways, for example, as 49084036 + 3538161 = 7006^2 + 1881^2 .

It is a cyclic number.

It is not a de Polignac number, because 52622197 - 2¹⁹ = 52097909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52622107) 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, 25954 + ... + 27907.

It is an arithmetic number, because the mean of its divisors is an integer number (13169259).

Almost surely, 2^52622197 is an apocalyptic number.

It is an amenable number.

52622197 is a deficient number, since it is larger than the sum of its proper divisors (54839).

52622197 is an equidigital number, since it uses as much as digits as its factorization.

52622197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54838.

The product of its digits is 15120, while the sum is 34.

The square root of 52622197 is about 7254.1158661825. The cubic root of 52622197 is about 374.7339078238.

The spelling of 52622197 in words is "fifty-two million, six hundred twenty-two thousand, one hundred ninety-seven".