51727085 has 16 divisors (see below), whose sum is σ = 63506352. Its totient is φ = 40435200.

The previous prime is 51727079. The next prime is 51727111. The reversal of 51727085 is 58072715.

It can be written as a sum of positive squares in 8 ways, for example, as 36156169 + 15570916 = 6013^2 + 3946^2 .

It is a de Polignac number, because none of the positive numbers 2^k-51727085 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 54737 + ... + 55673.

It is an arithmetic number, because the mean of its divisors is an integer number (3969147).

Almost surely, 2^51727085 is an apocalyptic number.

It is an amenable number.

51727085 is a deficient number, since it is larger than the sum of its proper divisors (11779267).

51727085 is a wasteful number, since it uses less digits than its factorization.

51727085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1184.

The product of its (nonzero) digits is 19600, while the sum is 35.

The square root of 51727085 is about 7192.1544060177. The cubic root of 51727085 is about 372.5969838909.

The spelling of 51727085 in words is "fifty-one million, seven hundred twenty-seven thousand, eighty-five".