99554849 has 2 divisors, whose sum is σ = 99554850. Its totient is φ = 99554848.

The previous prime is 99554843. The next prime is 99554863. The reversal of 99554849 is 94845599.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 97614400 + 1940449 = 9880^2 + 1393^2 .

It is a cyclic number.

It is not a de Polignac number, because 99554849 - 2²⁴ = 82777633 is a prime.

It is a super-2 number, since 2×99554849² = 19822335918825602, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 99554849.

It is not a weakly prime, because it can be changed into another prime (99554843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49777424 + 49777425.

It is an arithmetic number, because the mean of its divisors is an integer number (49777425).

Almost surely, 2^99554849 is an apocalyptic number.

It is an amenable number.

99554849 is a deficient number, since it is larger than the sum of its proper divisors (1).

99554849 is an equidigital number, since it uses as much as digits as its factorization.

99554849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2332800, while the sum is 53.

The square root of 99554849 is about 9977.7176247877. The cubic root of 99554849 is about 463.4691228844.

The spelling of 99554849 in words is "ninety-nine million, five hundred fifty-four thousand, eight hundred forty-nine".