51927705 has 24 divisors (see below), whose sum is σ = 91099008. Its totient is φ = 27359136.

The previous prime is 51927691. The next prime is 51927713. The reversal of 51927705 is 50772915.

It is not a de Polignac number, because 51927705 - 2¹² = 51923609 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51927705.

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, 3217 + ... + 10686.

It is an arithmetic number, because the mean of its divisors is an integer number (3795792).

Almost surely, 2^51927705 is an apocalyptic number.

It is an amenable number.

51927705 is a deficient number, since it is larger than the sum of its proper divisors (39171303).

51927705 is a wasteful number, since it uses less digits than its factorization.

51927705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13997 (or 13994 counting only the distinct ones).

The product of its (nonzero) digits is 22050, while the sum is 36.

The square root of 51927705 is about 7206.0880510857. The cubic root of 51927705 is about 373.0780598846.

It can be divided in two parts, 519 and 27705, that added together give a square (28224 = 168²).

The spelling of 51927705 in words is "fifty-one million, nine hundred twenty-seven thousand, seven hundred five".