51166284 has 48 divisors (see below), whose sum is σ = 130361952. Its totient is φ = 15524352.

The previous prime is 51166279. The next prime is 51166303. The reversal of 51166284 is 48266115.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9142 + ... + 13634.

It is an arithmetic number, because the mean of its divisors is an integer number (2715874).

Almost surely, 2^51166284 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51166284, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65180976).

51166284 is an abundant number, since it is smaller than the sum of its proper divisors (79195668).

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

51166284 is a wasteful number, since it uses less digits than its factorization.

51166284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4586 (or 4584 counting only the distinct ones).

The product of its digits is 11520, while the sum is 33.

The square root of 51166284 is about 7153.0611628868. The cubic root of 51166284 is about 371.2455805571.

It can be divided in two parts, 511 and 66284, that added together give a triangular number (66795 = T₃₆₅).

The spelling of 51166284 in words is "fifty-one million, one hundred sixty-six thousand, two hundred eighty-four".