99550011 has 48 divisors (see below), whose sum is σ = 159539328. Its totient is φ = 54566400.

The previous prime is 99549997. The next prime is 99550013. The reversal of 99550011 is 11005599.

99550011 = 318² + 319² + ... + 691².

It is not a de Polignac number, because 99550011 - 2¹⁰ = 99548987 is a prime.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99550013) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 471696 + ... + 471906.

It is an arithmetic number, because the mean of its divisors is an integer number (3323736).

Almost surely, 2^99550011 is an apocalyptic number.

99550011 is a deficient number, since it is larger than the sum of its proper divisors (59989317).

99550011 is a wasteful number, since it uses less digits than its factorization.

99550011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300 (or 271 counting only the distinct ones).

The product of its (nonzero) digits is 2025, while the sum is 30.

The square root of 99550011 is about 9977.4751816279. The cubic root of 99550011 is about 463.4616151304.

The spelling of 99550011 in words is "ninety-nine million, five hundred fifty thousand, eleven".