65550998 has 8 divisors (see below), whose sum is σ = 98821200. Its totient is φ = 32610600.

The previous prime is 65550977. The next prime is 65551033. The reversal of 65550998 is 89905556.

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

It is a congruent number.

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, 81953 + ... + 82748.

It is an arithmetic number, because the mean of its divisors is an integer number (12352650).

Almost surely, 2^65550998 is an apocalyptic number.

65550998 is a deficient number, since it is larger than the sum of its proper divisors (33270202).

65550998 is a wasteful number, since it uses less digits than its factorization.

65550998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164902.

The product of its (nonzero) digits is 486000, while the sum is 47.

The square root of 65550998 is about 8096.3570820462. The cubic root of 65550998 is about 403.2054893104.

The spelling of 65550998 in words is "sixty-five million, five hundred fifty thousand, nine hundred ninety-eight".