99520554 has 16 divisors (see below), whose sum is σ = 227475648. Its totient is φ = 28434432.

The previous prime is 99520543. The next prime is 99520559. The reversal of 99520554 is 45502599.

It is not an unprimeable number, because it can be changed into a prime (99520559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1184727 + ... + 1184810.

It is an arithmetic number, because the mean of its divisors is an integer number (14217228).

Almost surely, 2^99520554 is an apocalyptic number.

99520554 is an abundant number, since it is smaller than the sum of its proper divisors (127955094).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

99520554 is a wasteful number, since it uses less digits than its factorization.

99520554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2369549.

The product of its (nonzero) digits is 81000, while the sum is 39.

The square root of 99520554 is about 9975.9988973536. The cubic root of 99520554 is about 463.4158976214.

The spelling of 99520554 in words is "ninety-nine million, five hundred twenty thousand, five hundred fifty-four".