51271032 has 32 divisors (see below), whose sum is σ = 128666880. Its totient is φ = 17025120.

The previous prime is 51271021. The next prime is 51271057. The reversal of 51271032 is 23017215.

51271032 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 2563 + ... + 10445.

It is an arithmetic number, because the mean of its divisors is an integer number (4020840).

Almost surely, 2^51271032 is an apocalyptic number.

It is an amenable number.

51271032 is an abundant number, since it is smaller than the sum of its proper divisors (77395848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51271032 is a wasteful number, since it uses less digits than its factorization.

51271032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8163 (or 8159 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 51271032 is about 7160.3793195612. The cubic root of 51271032 is about 371.4987467858.

Adding to 51271032 its reverse (23017215), we get a palindrome (74288247).

The spelling of 51271032 in words is "fifty-one million, two hundred seventy-one thousand, thirty-two".