51370066 has 24 divisors (see below), whose sum is σ = 85800960. Its totient is φ = 23045880.

The previous prime is 51370051. The next prime is 51370093. The reversal of 51370066 is 66007315.

51370066 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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, 17775 + ... + 20461.

It is an arithmetic number, because the mean of its divisors is an integer number (3575040).

Almost surely, 2^51370066 is an apocalyptic number.

51370066 is a deficient number, since it is larger than the sum of its proper divisors (34430894).

51370066 is a wasteful number, since it uses less digits than its factorization.

51370066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2790 (or 2779 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 51370066 is about 7167.2913991270. The cubic root of 51370066 is about 371.7377858858.

The spelling of 51370066 in words is "fifty-one million, three hundred seventy thousand, sixty-six".