99554961 has 8 divisors (see below), whose sum is σ = 144807264. Its totient is φ = 60336320.

The previous prime is 99554957. The next prime is 99554963. The reversal of 99554961 is 16945599.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 99554961 - 2² = 99554957 is a prime.

It is a super-2 number, since 2×99554961² = 19822380519423042, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 99554961.

It is not an unprimeable number, because it can be changed into a prime (99554963) 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, 1508376 + ... + 1508441.

It is an arithmetic number, because the mean of its divisors is an integer number (18100908).

Almost surely, 2^99554961 is an apocalyptic number.

It is an amenable number.

99554961 is a deficient number, since it is larger than the sum of its proper divisors (45252303).

99554961 is a wasteful number, since it uses less digits than its factorization.

99554961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3016831.

The product of its digits is 437400, while the sum is 48.

The square root of 99554961 is about 9977.7232372922. The cubic root of 99554961 is about 463.4692966865.

The spelling of 99554961 in words is "ninety-nine million, five hundred fifty-four thousand, nine hundred sixty-one".