99755530 has 16 divisors (see below), whose sum is σ = 205211520. Its totient is φ = 34201872.

The previous prime is 99755521. The next prime is 99755533. The reversal of 99755530 is 3555799.

It is a super-4 number, since 4×99755530⁴ (a number of 33 digits) contains 4444 as substring.

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (99755533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 712470 + ... + 712609.

It is an arithmetic number, because the mean of its divisors is an integer number (12825720).

Almost surely, 2^99755530 is an apocalyptic number.

99755530 is an abundant number, since it is smaller than the sum of its proper divisors (105455990).

99755530 is a wasteful number, since it uses less digits than its factorization.

99755530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1425093.

The product of its (nonzero) digits is 212625, while the sum is 43.

The square root of 99755530 is about 9987.7690201566. The cubic root of 99755530 is about 463.7803316376.

The spelling of 99755530 in words is "ninety-nine million, seven hundred fifty-five thousand, five hundred thirty".