99953617 has 2 divisors, whose sum is σ = 99953618. Its totient is φ = 99953616.

The previous prime is 99953603. The next prime is 99953639. The reversal of 99953617 is 71635999.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85544001 + 14409616 = 9249^2 + 3796^2 .

It is a cyclic number.

It is not a de Polignac number, because 99953617 - 2¹¹ = 99951569 is a prime.

It is not a weakly prime, because it can be changed into another prime (99953657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49976808 + 49976809.

It is an arithmetic number, because the mean of its divisors is an integer number (49976809).

Almost surely, 2^99953617 is an apocalyptic number.

It is an amenable number.

99953617 is a deficient number, since it is larger than the sum of its proper divisors (1).

99953617 is an equidigital number, since it uses as much as digits as its factorization.

99953617 is an evil number, because the sum of its binary digits is even.

The product of its digits is 459270, while the sum is 49.

The square root of 99953617 is about 9997.6805810148. The cubic root of 99953617 is about 464.0871086581.

The spelling of 99953617 in words is "ninety-nine million, nine hundred fifty-three thousand, six hundred seventeen".