48449666 has 4 divisors (see below), whose sum is σ = 72674502. Its totient is φ = 24224832.

The previous prime is 48449663. The next prime is 48449671. The reversal of 48449666 is 66694484.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 41538025 + 6911641 = 6445^2 + 2629^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 48449666.

It is not an unprimeable number, because it can be changed into a prime (48449663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12112415 + ... + 12112418.

Almost surely, 2^48449666 is an apocalyptic number.

48449666 is a deficient number, since it is larger than the sum of its proper divisors (24224836).

48449666 is a wasteful number, since it uses less digits than its factorization.

48449666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24224835.

The product of its digits is 995328, while the sum is 47.

The square root of 48449666 is about 6960.5794299038. The cubic root of 48449666 is about 364.5554505268. Note that the first 3 decimals are identical.

The spelling of 48449666 in words is "forty-eight million, four hundred forty-nine thousand, six hundred sixty-six".