51127612 has 6 divisors (see below), whose sum is σ = 89473328. Its totient is φ = 25563804.

The previous prime is 51127589. The next prime is 51127631. The reversal of 51127612 is 21672115.

It is a super-2 number, since 2×51127612² = 5228065417645088, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6390948 + ... + 6390955.

Almost surely, 2^51127612 is an apocalyptic number.

It is an amenable number.

51127612 is a deficient number, since it is larger than the sum of its proper divisors (38345716).

51127612 is a wasteful number, since it uses less digits than its factorization.

51127612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12781907 (or 12781905 counting only the distinct ones).

The product of its digits is 840, while the sum is 25.

The square root of 51127612 is about 7150.3574735813. The cubic root of 51127612 is about 371.1520265830.

Adding to 51127612 its reverse (21672115), we get a palindrome (72799727).

The spelling of 51127612 in words is "fifty-one million, one hundred twenty-seven thousand, six hundred twelve".