99550541 has 2 divisors, whose sum is σ = 99550542. Its totient is φ = 99550540.

The previous prime is 99550531. The next prime is 99550573. The reversal of 99550541 is 14505599.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 97101316 + 2449225 = 9854^2 + 1565^2 .

It is an emirp because it is prime and its reverse (14505599) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99550541 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 99550495 and 99550504.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99550511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49775270 + 49775271.

It is an arithmetic number, because the mean of its divisors is an integer number (49775271).

Almost surely, 2^99550541 is an apocalyptic number.

It is an amenable number.

99550541 is a deficient number, since it is larger than the sum of its proper divisors (1).

99550541 is an equidigital number, since it uses as much as digits as its factorization.

99550541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40500, while the sum is 38.

The square root of 99550541 is about 9977.5017414180. The cubic root of 99550541 is about 463.4624376122.

The spelling of 99550541 in words is "ninety-nine million, five hundred fifty thousand, five hundred forty-one".