51627261 has 24 divisors (see below), whose sum is σ = 79786432. Its totient is φ = 29088000.

The previous prime is 51627259. The next prime is 51627271. The reversal of 51627261 is 16272615.

It is not a de Polignac number, because 51627261 - 2¹ = 51627259 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51627271) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 214101 + ... + 214341.

Almost surely, 2^51627261 is an apocalyptic number.

It is an amenable number.

51627261 is a deficient number, since it is larger than the sum of its proper divisors (28159171).

51627261 is a wasteful number, since it uses less digits than its factorization.

51627261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453 (or 352 counting only the distinct ones).

The product of its digits is 5040, while the sum is 30.

The square root of 51627261 is about 7185.2112703803. The cubic root of 51627261 is about 372.3571477522.

Adding to 51627261 its reverse (16272615), we get a palindrome (67899876).

The spelling of 51627261 in words is "fifty-one million, six hundred twenty-seven thousand, two hundred sixty-one".