51271588 has 6 divisors (see below), whose sum is σ = 89725286. Its totient is φ = 25635792.

The previous prime is 51271579. The next prime is 51271589. The reversal of 51271588 is 88517215.

51271588 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 34363044 + 16908544 = 5862^2 + 4112^2 .

It is not an unprimeable number, because it can be changed into a prime (51271589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6408945 + ... + 6408952.

Almost surely, 2^51271588 is an apocalyptic number.

It is an amenable number.

51271588 is a deficient number, since it is larger than the sum of its proper divisors (38453698).

51271588 is a wasteful number, since it uses less digits than its factorization.

51271588 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12817901 (or 12817899 counting only the distinct ones).

The product of its digits is 22400, while the sum is 37.

The square root of 51271588 is about 7160.4181442148. The cubic root of 51271588 is about 371.5000896659.

The spelling of 51271588 in words is "fifty-one million, two hundred seventy-one thousand, five hundred eighty-eight".