51166773 has 24 divisors (see below), whose sum is σ = 84734208. Its totient is φ = 29145312.

The previous prime is 51166763. The next prime is 51166781. The reversal of 51166773 is 37766115.

It is not a de Polignac number, because 51166773 - 2⁴ = 51166757 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51166763) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22015 + ... + 24227.

It is an arithmetic number, because the mean of its divisors is an integer number (3530592).

Almost surely, 2^51166773 is an apocalyptic number.

It is an amenable number.

51166773 is a deficient number, since it is larger than the sum of its proper divisors (33567435).

51166773 is a wasteful number, since it uses less digits than its factorization.

51166773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2593 (or 2590 counting only the distinct ones).

The product of its digits is 26460, while the sum is 36.

The square root of 51166773 is about 7153.0953439752. The cubic root of 51166773 is about 371.2467632272.

The spelling of 51166773 in words is "fifty-one million, one hundred sixty-six thousand, seven hundred seventy-three".