51470751 has 4 divisors (see below), whose sum is σ = 68627672. Its totient is φ = 34313832.

The previous prime is 51470743. The next prime is 51470761. The reversal of 51470751 is 15707415.

51470751 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 51470751 - 2³ = 51470743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51470761) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 8578456 + ... + 8578461.

It is an arithmetic number, because the mean of its divisors is an integer number (17156918).

Almost surely, 2^51470751 is an apocalyptic number.

51470751 is a deficient number, since it is larger than the sum of its proper divisors (17156921).

51470751 is a wasteful number, since it uses less digits than its factorization.

51470751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17156920.

The product of its (nonzero) digits is 4900, while the sum is 30.

The square root of 51470751 is about 7174.3118833795. The cubic root of 51470751 is about 371.9804952775.

The spelling of 51470751 in words is "fifty-one million, four hundred seventy thousand, seven hundred fifty-one".