53199997 has 2 divisors, whose sum is σ = 53199998. Its totient is φ = 53199996.

The previous prime is 53199983. The next prime is 53200009. The reversal of 53199997 is 79999135.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27657081 + 25542916 = 5259^2 + 5054^2 .

It is a cyclic number.

It is not a de Polignac number, because 53199997 - 2¹⁵ = 53167229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53199967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26599998 + 26599999.

It is an arithmetic number, because the mean of its divisors is an integer number (26599999).

Almost surely, 2^53199997 is an apocalyptic number.

It is an amenable number.

53199997 is a deficient number, since it is larger than the sum of its proper divisors (1).

53199997 is an equidigital number, since it uses as much as digits as its factorization.

53199997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 688905, while the sum is 52.

The square root of 53199997 is about 7293.8328058710. The cubic root of 53199997 is about 376.1004640440.

The spelling of 53199997 in words is "fifty-three million, one hundred ninety-nine thousand, nine hundred ninety-seven".