51344871 has 8 divisors (see below), whose sum is σ = 68538624. Its totient is φ = 34190520.

The previous prime is 51344869. The next prime is 51344873. The reversal of 51344871 is 17844315.

It is an interprime number because it is at equal distance from previous prime (51344869) and next prime (51344873).

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

It is not a de Polignac number, because 51344871 - 2¹ = 51344869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51344873) 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 7 ways as a sum of consecutive naturals, for example, 6661 + ... + 12126.

It is an arithmetic number, because the mean of its divisors is an integer number (8567328).

Almost surely, 2^51344871 is an apocalyptic number.

51344871 is a deficient number, since it is larger than the sum of its proper divisors (17193753).

51344871 is a wasteful number, since it uses less digits than its factorization.

51344871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19701.

The product of its digits is 13440, while the sum is 33.

The square root of 51344871 is about 7165.5335460802. The cubic root of 51344871 is about 371.6770016855.

The spelling of 51344871 in words is "fifty-one million, three hundred forty-four thousand, eight hundred seventy-one".