99554461 has 2 divisors, whose sum is σ = 99554462. Its totient is φ = 99554460.

The previous prime is 99554459. The next prime is 99554467. The reversal of 99554461 is 16445599.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 90440100 + 9114361 = 9510^2 + 3019^2 .

It is a cyclic number.

It is not a de Polignac number, because 99554461 - 2¹ = 99554459 is a prime.

It is a super-2 number, since 2×99554461² = 19822181410001042, which contains 22 as substring.

Together with 99554459, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99554467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49777230 + 49777231.

It is an arithmetic number, because the mean of its divisors is an integer number (49777231).

Almost surely, 2^99554461 is an apocalyptic number.

It is an amenable number.

99554461 is a deficient number, since it is larger than the sum of its proper divisors (1).

99554461 is an equidigital number, since it uses as much as digits as its factorization.

99554461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 194400, while the sum is 43.

The square root of 99554461 is about 9977.6981814445. The cubic root of 99554461 is about 463.4685207833.

The spelling of 99554461 in words is "ninety-nine million, five hundred fifty-four thousand, four hundred sixty-one".