99504555 has 32 divisors (see below), whose sum is σ = 166786560. Its totient is φ = 50561280.

The previous prime is 99504527. The next prime is 99504557. The reversal of 99504555 is 55540599.

It is not a de Polignac number, because 99504555 - 2¹⁰ = 99503531 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99504557) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 130375 + ... + 131135.

It is an arithmetic number, because the mean of its divisors is an integer number (5212080).

Almost surely, 2^99504555 is an apocalyptic number.

99504555 is a deficient number, since it is larger than the sum of its proper divisors (67282005).

99504555 is a wasteful number, since it uses less digits than its factorization.

99504555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1171.

The product of its (nonzero) digits is 202500, while the sum is 42.

The square root of 99504555 is about 9975.1969905361. The cubic root of 99504555 is about 463.3910632597.

The spelling of 99504555 in words is "ninety-nine million, five hundred four thousand, five hundred fifty-five".