51766776 has 96 divisors (see below), whose sum is σ = 150259200. Its totient is φ = 16679520.

The previous prime is 51766763. The next prime is 51766783. The reversal of 51766776 is 67766715.

51766776 is a `hidden beast` number, since 517 + 6 + 67 + 76 = 666.

It is a zygodrome in base 7.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 59835 + ... + 60693.

It is an arithmetic number, because the mean of its divisors is an integer number (1565200).

Almost surely, 2^51766776 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 51766776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75129600).

51766776 is an abundant number, since it is smaller than the sum of its proper divisors (98492424).

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

51766776 is a wasteful number, since it uses less digits than its factorization.

51766776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 911 (or 895 counting only the distinct ones).

The product of its digits is 370440, while the sum is 45.

The square root of 51766776 is about 7194.9132030901. The cubic root of 51766776 is about 372.6922593541.

The spelling of 51766776 in words is "fifty-one million, seven hundred sixty-six thousand, seven hundred seventy-six".