50831197 has 2 divisors, whose sum is σ = 50831198. Its totient is φ = 50831196.

The previous prime is 50831189. The next prime is 50831233. The reversal of 50831197 is 79113805.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49364676 + 1466521 = 7026^2 + 1211^2 .

It is a cyclic number.

It is not a de Polignac number, because 50831197 - 2³ = 50831189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50831107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25415598 + 25415599.

It is an arithmetic number, because the mean of its divisors is an integer number (25415599).

Almost surely, 2^50831197 is an apocalyptic number.

It is an amenable number.

50831197 is a deficient number, since it is larger than the sum of its proper divisors (1).

50831197 is an equidigital number, since it uses as much as digits as its factorization.

50831197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7560, while the sum is 34.

The square root of 50831197 is about 7129.6000589093. The cubic root of 50831197 is about 370.4333782373.

The spelling of 50831197 in words is "fifty million, eight hundred thirty-one thousand, one hundred ninety-seven".