51066312 has 32 divisors (see below), whose sum is σ = 139272480. Its totient is φ = 15474560.

The previous prime is 51066293. The next prime is 51066341. The reversal of 51066312 is 21366015.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96453 + ... + 96980.

It is an arithmetic number, because the mean of its divisors is an integer number (4352265).

Almost surely, 2^51066312 is an apocalyptic number.

It is an amenable number.

51066312 is an abundant number, since it is smaller than the sum of its proper divisors (88206168).

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

51066312 is a wasteful number, since it uses less digits than its factorization.

51066312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193453 (or 193449 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 51066312 is about 7146.0696889969. The cubic root of 51066312 is about 371.0036350247.

The spelling of 51066312 in words is "fifty-one million, sixty-six thousand, three hundred twelve".