53722199 has 2 divisors, whose sum is σ = 53722200. Its totient is φ = 53722198.

The previous prime is 53722169. The next prime is 53722213. The reversal of 53722199 is 99122735.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53722199 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53722169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26861099 + 26861100.

It is an arithmetic number, because the mean of its divisors is an integer number (26861100).

Almost surely, 2^53722199 is an apocalyptic number.

53722199 is a deficient number, since it is larger than the sum of its proper divisors (1).

53722199 is an equidigital number, since it uses as much as digits as its factorization.

53722199 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34020, while the sum is 38.

The square root of 53722199 is about 7329.5428916134. The cubic root of 53722199 is about 377.3270385818.

The spelling of 53722199 in words is "fifty-three million, seven hundred twenty-two thousand, one hundred ninety-nine".