51571712 has 22 divisors (see below), whose sum is σ = 103095108. Its totient is φ = 25785344.

The previous prime is 51571697. The next prime is 51571717. The reversal of 51571712 is 21717515.

It is a super-2 number, since 2×51571712² = 5319282957221888, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51571717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24158 + ... + 26205.

Almost surely, 2^51571712 is an apocalyptic number.

It is an amenable number.

51571712 is a deficient number, since it is larger than the sum of its proper divisors (51523396).

51571712 is an equidigital number, since it uses as much as digits as its factorization.

51571712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50383 (or 50365 counting only the distinct ones).

The product of its digits is 2450, while the sum is 29.

The square root of 51571712 is about 7181.3447208723. The cubic root of 51571712 is about 372.2235523760.

It can be divided in two parts, 515 and 71712, that added together give a palindrome (72227).

The spelling of 51571712 in words is "fifty-one million, five hundred seventy-one thousand, seven hundred twelve".