99555506 has 8 divisors (see below), whose sum is σ = 149389680. Its totient is φ = 49758948.

The previous prime is 99555499. The next prime is 99555559. The reversal of 99555506 is 60555599.

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

It is a super-2 number, since 2×99555506² = 19822597549832072, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1436 + ... + 14183.

It is an arithmetic number, because the mean of its divisors is an integer number (18673710).

Almost surely, 2^99555506 is an apocalyptic number.

99555506 is a deficient number, since it is larger than the sum of its proper divisors (49834174).

99555506 is a wasteful number, since it uses less digits than its factorization.

99555506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18808.

The product of its (nonzero) digits is 303750, while the sum is 44.

The square root of 99555506 is about 9977.7505480945. The cubic root of 99555506 is about 463.4701424180.

The spelling of 99555506 in words is "ninety-nine million, five hundred fifty-five thousand, five hundred six".