49866666 has 8 divisors (see below), whose sum is σ = 99733344. Its totient is φ = 16622220.

The previous prime is 49866653. The next prime is 49866683. The reversal of 49866666 is 66666894.

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

49866666 is an admirable number.

49866666 is a modest number, since divided by 6666 gives 4986 as remainder.

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, 4155550 + ... + 4155561.

It is an arithmetic number, because the mean of its divisors is an integer number (12466668).

Almost surely, 2^49866666 is an apocalyptic number.

49866666 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

49866666 is a wasteful number, since it uses less digits than its factorization.

49866666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8311116.

The product of its digits is 2239488, while the sum is 51.

The square root of 49866666 is about 7061.6333804581. The cubic root of 49866666 is about 368.0753872413.

The spelling of 49866666 in words is "forty-nine million, eight hundred sixty-six thousand, six hundred sixty-six".