98440553 has 2 divisors, whose sum is σ = 98440554. Its totient is φ = 98440552.

The previous prime is 98440543. The next prime is 98440561. The reversal of 98440553 is 35504489.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69839449 + 28601104 = 8357^2 + 5348^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98440553 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (98440543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49220276 + 49220277.

It is an arithmetic number, because the mean of its divisors is an integer number (49220277).

Almost surely, 2^98440553 is an apocalyptic number.

It is an amenable number.

98440553 is a deficient number, since it is larger than the sum of its proper divisors (1).

98440553 is an equidigital number, since it uses as much as digits as its factorization.

98440553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 86400, while the sum is 38.

The square root of 98440553 is about 9921.7212720374. The cubic root of 98440553 is about 461.7334610066.

The spelling of 98440553 in words is "ninety-eight million, four hundred forty thousand, five hundred fifty-three".