51337866 has 16 divisors (see below), whose sum is σ = 103130784. Its totient is φ = 17036784.

The previous prime is 51337861. The next prime is 51337877. The reversal of 51337866 is 66873315.

51337866 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 (51337861) 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 7 ways as a sum of consecutive naturals, for example, 17485 + ... + 20208.

It is an arithmetic number, because the mean of its divisors is an integer number (6445674).

Almost surely, 2^51337866 is an apocalyptic number.

51337866 is an abundant number, since it is smaller than the sum of its proper divisors (51792918).

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

51337866 is a wasteful number, since it uses less digits than its factorization.

51337866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37925.

The product of its digits is 90720, while the sum is 39.

The square root of 51337866 is about 7165.0447311932. The cubic root of 51337866 is about 371.6600982392.

The spelling of 51337866 in words is "fifty-one million, three hundred thirty-seven thousand, eight hundred sixty-six".