99554837 has 2 divisors, whose sum is σ = 99554838. Its totient is φ = 99554836.

The previous prime is 99554821. The next prime is 99554843. The reversal of 99554837 is 73845599.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54745201 + 44809636 = 7399^2 + 6694^2 .

It is a cyclic number.

It is not a de Polignac number, because 99554837 - 2⁴ = 99554821 is a prime.

It is a super-2 number, since 2×99554837² = 19822331140193138, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99554137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49777418 + 49777419.

It is an arithmetic number, because the mean of its divisors is an integer number (49777419).

Almost surely, 2^99554837 is an apocalyptic number.

It is an amenable number.

99554837 is a deficient number, since it is larger than the sum of its proper divisors (1).

99554837 is an equidigital number, since it uses as much as digits as its factorization.

99554837 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1360800, while the sum is 50.

The square root of 99554837 is about 9977.7170234478. The cubic root of 99554837 is about 463.4691042627.

The spelling of 99554837 in words is "ninety-nine million, five hundred fifty-four thousand, eight hundred thirty-seven".