48551866 has 16 divisors (see below), whose sum is σ = 80025120. Its totient is φ = 21908880.

The previous prime is 48551863. The next prime is 48551879. The reversal of 48551866 is 66815584.

It is not an unprimeable number, because it can be changed into a prime (48551863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4881 + ... + 10996.

It is an arithmetic number, because the mean of its divisors is an integer number (5001570).

Almost surely, 2^48551866 is an apocalyptic number.

48551866 is a deficient number, since it is larger than the sum of its proper divisors (31473254).

48551866 is a wasteful number, since it uses less digits than its factorization.

48551866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16029.

The product of its digits is 230400, while the sum is 43.

The square root of 48551866 is about 6967.9169053599. The cubic root of 48551866 is about 364.8116022796.

It can be divided in two parts, 485518 and 66, that added together give a palindrome (485584).

The spelling of 48551866 in words is "forty-eight million, five hundred fifty-one thousand, eight hundred sixty-six".