51496666 has 24 divisors (see below), whose sum is σ = 84115584. Its totient is φ = 23634000.

The previous prime is 51496657. The next prime is 51496667. The reversal of 51496666 is 66669415.

51496666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (51496667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 84535 + ... + 85141.

It is an arithmetic number, because the mean of its divisors is an integer number (3504816).

Almost surely, 2^51496666 is an apocalyptic number.

51496666 is a deficient number, since it is larger than the sum of its proper divisors (32618918).

51496666 is a wasteful number, since it uses less digits than its factorization.

51496666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 886 (or 873 counting only the distinct ones).

The product of its digits is 233280, while the sum is 43.

The square root of 51496666 is about 7176.1177526571. The cubic root of 51496666 is about 372.0429142691.

The spelling of 51496666 in words is "fifty-one million, four hundred ninety-six thousand, six hundred sixty-six".