66555050 has 24 divisors (see below), whose sum is σ = 124090272. Its totient is φ = 26558000.

The previous prime is 66555023. The next prime is 66555089. The reversal of 66555050 is 5055566.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 66554998 and 66555016.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23195 + ... + 25905.

It is an arithmetic number, because the mean of its divisors is an integer number (5170428).

Almost surely, 2^66555050 is an apocalyptic number.

66555050 is a deficient number, since it is larger than the sum of its proper divisors (57535222).

66555050 is a wasteful number, since it uses less digits than its factorization.

66555050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3214 (or 3209 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 32.

The square root of 66555050 is about 8158.1278489614. The cubic root of 66555050 is about 405.2537149268.

The spelling of 66555050 in words is "sixty-six million, five hundred fifty-five thousand, fifty".