51347049 has 8 divisors (see below), whose sum is σ = 73729152. Its totient is φ = 31598160.

The previous prime is 51347029. The next prime is 51347059. The reversal of 51347049 is 94074315.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 51347049 - 2⁷ = 51346921 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (51347029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 658257 + ... + 658334.

It is an arithmetic number, because the mean of its divisors is an integer number (9216144).

Almost surely, 2^51347049 is an apocalyptic number.

It is an amenable number.

51347049 is a deficient number, since it is larger than the sum of its proper divisors (22382103).

51347049 is a wasteful number, since it uses less digits than its factorization.

51347049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1316607.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 51347049 is about 7165.6855219860. The cubic root of 51347049 is about 371.6822570048.

The spelling of 51347049 in words is "fifty-one million, three hundred forty-seven thousand, forty-nine".