51347132 has 12 divisors (see below), whose sum is σ = 93764496. Its totient is φ = 24557280.

The previous prime is 51347113. The next prime is 51347137. The reversal of 51347132 is 23174315.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51347137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 278969 + ... + 279152.

It is an arithmetic number, because the mean of its divisors is an integer number (7813708).

Almost surely, 2^51347132 is an apocalyptic number.

It is an amenable number.

51347132 is a deficient number, since it is larger than the sum of its proper divisors (42417364).

51347132 is a wasteful number, since it uses less digits than its factorization.

51347132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558148 (or 558146 counting only the distinct ones).

The product of its digits is 2520, while the sum is 26.

The square root of 51347132 is about 7165.6913134742. The cubic root of 51347132 is about 371.6824572734.

The spelling of 51347132 in words is "fifty-one million, three hundred forty-seven thousand, one hundred thirty-two".