99560556 has 48 divisors (see below), whose sum is σ = 258837600. Its totient is φ = 33094656.

The previous prime is 99560543. The next prime is 99560581. The reversal of 99560556 is 65506599.

99560556 is a `hidden beast` number, since 9 + 95 + 6 + 0 + 556 = 666.

It is a super-2 number, since 2×99560556² = 19824608622058272, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45700 + ... + 47828.

It is an arithmetic number, because the mean of its divisors is an integer number (5392450).

Almost surely, 2^99560556 is an apocalyptic number.

It is an amenable number.

99560556 is an abundant number, since it is smaller than the sum of its proper divisors (159277044).

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

99560556 is a wasteful number, since it uses less digits than its factorization.

99560556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2575 (or 2567 counting only the distinct ones).

The product of its (nonzero) digits is 364500, while the sum is 45.

The square root of 99560556 is about 9978.0036079368. The cubic root of 99560556 is about 463.4779788660.

The spelling of 99560556 in words is "ninety-nine million, five hundred sixty thousand, five hundred fifty-six".