52056197 has 2 divisors, whose sum is σ = 52056198. Its totient is φ = 52056196.

The previous prime is 52056163. The next prime is 52056217. The reversal of 52056197 is 79165025.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42328036 + 9728161 = 6506^2 + 3119^2 .

It is a cyclic number.

It is not a de Polignac number, because 52056197 - 2⁶ = 52056133 is a prime.

It is a super-2 number, since 2×52056197² = 5419695292205618, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52056127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26028098 + 26028099.

It is an arithmetic number, because the mean of its divisors is an integer number (26028099).

Almost surely, 2^52056197 is an apocalyptic number.

It is an amenable number.

52056197 is a deficient number, since it is larger than the sum of its proper divisors (1).

52056197 is an equidigital number, since it uses as much as digits as its factorization.

52056197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18900, while the sum is 35.

The square root of 52056197 is about 7214.9980595978. The cubic root of 52056197 is about 373.3855262028.

The spelling of 52056197 in words is "fifty-two million, fifty-six thousand, one hundred ninety-seven".