51271592 has 32 divisors (see below), whose sum is σ = 102231720. Its totient is φ = 24023040.

The previous prime is 51271589. The next prime is 51271621. The reversal of 51271592 is 29517215.

It is a happy number.

51271592 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 4 ways, for example, as 34739236 + 16532356 = 5894^2 + 4066^2 .

It is a super-2 number, since 2×51271592² = 5257552292428928, which contains 22 as substring.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 36992 + ... + 38352.

Almost surely, 2^51271592 is an apocalyptic number.

It is an amenable number.

51271592 is a deficient number, since it is larger than the sum of its proper divisors (50960128).

51271592 is a wasteful number, since it uses less digits than its factorization.

51271592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1661 (or 1657 counting only the distinct ones).

The product of its digits is 6300, while the sum is 32.

The square root of 51271592 is about 7160.4184235281. The cubic root of 51271592 is about 371.5000993269.

The spelling of 51271592 in words is "fifty-one million, two hundred seventy-one thousand, five hundred ninety-two".