49571666 has 8 divisors (see below), whose sum is σ = 76756224. Its totient is φ = 23986260.

The previous prime is 49571659. The next prime is 49571719. The reversal of 49571666 is 66617594.

It is a happy number.

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

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, 399710 + ... + 399833.

It is an arithmetic number, because the mean of its divisors is an integer number (9594528).

Almost surely, 2^49571666 is an apocalyptic number.

49571666 is a deficient number, since it is larger than the sum of its proper divisors (27184558).

49571666 is a wasteful number, since it uses less digits than its factorization.

49571666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 799576.

The product of its digits is 272160, while the sum is 44.

The square root of 49571666 is about 7040.7148784765. The cubic root of 49571666 is about 367.3481341448.

The spelling of 49571666 in words is "forty-nine million, five hundred seventy-one thousand, six hundred sixty-six".