52190393 has 2 divisors, whose sum is σ = 52190394. Its totient is φ = 52190392.

The previous prime is 52190377. The next prime is 52190407. The reversal of 52190393 is 39309125.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36445369 + 15745024 = 6037^2 + 3968^2 .

It is a cyclic number.

It is not a de Polignac number, because 52190393 - 2⁴ = 52190377 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (52190993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26095196 + 26095197.

It is an arithmetic number, because the mean of its divisors is an integer number (26095197).

Almost surely, 2^52190393 is an apocalyptic number.

It is an amenable number.

52190393 is a deficient number, since it is larger than the sum of its proper divisors (1).

52190393 is an equidigital number, since it uses as much as digits as its factorization.

52190393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7290, while the sum is 32.

The square root of 52190393 is about 7224.2918684117. The cubic root of 52190393 is about 373.7061018602.

The spelling of 52190393 in words is "fifty-two million, one hundred ninety thousand, three hundred ninety-three".