90099953 has 2 divisors, whose sum is σ = 90099954. Its totient is φ = 90099952.

The previous prime is 90099943. The next prime is 90099967. The reversal of 90099953 is 35999009.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 83484769 + 6615184 = 9137^2 + 2572^2 .

It is a cyclic number.

It is not a de Polignac number, because 90099953 - 2⁴ = 90099937 is a prime.

It is not a weakly prime, because it can be changed into another prime (90099913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45049976 + 45049977.

It is an arithmetic number, because the mean of its divisors is an integer number (45049977).

Almost surely, 2^90099953 is an apocalyptic number.

It is an amenable number.

90099953 is a deficient number, since it is larger than the sum of its proper divisors (1).

90099953 is an equidigital number, since it uses as much as digits as its factorization.

90099953 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 98415, while the sum is 44.

The square root of 90099953 is about 9492.0995043246. The cubic root of 90099953 is about 448.3063132220.

The spelling of 90099953 in words is "ninety million, ninety-nine thousand, nine hundred fifty-three".