51712851 has 16 divisors (see below), whose sum is σ = 73814400. Its totient is φ = 32105088.

The previous prime is 51712799. The next prime is 51712877. The reversal of 51712851 is 15821715.

It is not a de Polignac number, because 51712851 - 2⁷ = 51712723 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51712651) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4326 + ... + 11051.

It is an arithmetic number, because the mean of its divisors is an integer number (4613400).

Almost surely, 2^51712851 is an apocalyptic number.

51712851 is a deficient number, since it is larger than the sum of its proper divisors (22101549).

51712851 is a wasteful number, since it uses less digits than its factorization.

51712851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15458.

The product of its digits is 2800, while the sum is 30.

The square root of 51712851 is about 7191.1647874319. The cubic root of 51712851 is about 372.5628042987.

The spelling of 51712851 in words is "fifty-one million, seven hundred twelve thousand, eight hundred fifty-one".