99554843 has 2 divisors, whose sum is σ = 99554844. Its totient is φ = 99554842.

The previous prime is 99554837. The next prime is 99554849. The reversal of 99554843 is 34845599.

It is a balanced prime because it is at equal distance from previous prime (99554837) and next prime (99554849).

It is a cyclic number.

It is not a de Polignac number, because 99554843 - 2⁶ = 99554779 is a prime.

It is a super-2 number, since 2×99554843² = 19822333529509298, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (99554849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49777421 + 49777422.

It is an arithmetic number, because the mean of its divisors is an integer number (49777422).

Almost surely, 2^99554843 is an apocalyptic number.

99554843 is a deficient number, since it is larger than the sum of its proper divisors (1).

99554843 is an equidigital number, since it uses as much as digits as its factorization.

99554843 is an evil number, because the sum of its binary digits is even.

The product of its digits is 777600, while the sum is 47.

The square root of 99554843 is about 9977.7173241178. The cubic root of 99554843 is about 463.4691135735.

The spelling of 99554843 in words is "ninety-nine million, five hundred fifty-four thousand, eight hundred forty-three".