51766371 has 10 divisors (see below), whose sum is σ = 77330132. Its totient is φ = 34510860.

The previous prime is 51766339. The next prime is 51766381. The reversal of 51766371 is 17366715.

51766371 is a `hidden beast` number, since 5 + 17 + 6 + 637 + 1 = 666.

51766371 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51766371 - 2⁵ = 51766339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51766301) by changing a digit.

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 9 ways as a sum of consecutive naturals, for example, 319465 + ... + 319626.

Almost surely, 2^51766371 is an apocalyptic number.

51766371 is a deficient number, since it is larger than the sum of its proper divisors (25563761).

51766371 is an equidigital number, since it uses as much as digits as its factorization.

51766371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639103 (or 639094 counting only the distinct ones).

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

The square root of 51766371 is about 7194.8850581507. The cubic root of 51766371 is about 372.6912874260.

The spelling of 51766371 in words is "fifty-one million, seven hundred sixty-six thousand, three hundred seventy-one".