51470 has 8 divisors (see below), whose sum is σ = 92664. Its totient is φ = 20584.

The previous prime is 51461. The next prime is 51473. The reversal of 51470 is 7415.

It is a happy number.

51470 is nontrivially palindromic in base 12.

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

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 51470.

It is not an unprimeable number, because it can be changed into a prime (51473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2564 + ... + 2583.

It is an arithmetic number, because the mean of its divisors is an integer number (11583).

2⁵¹⁴⁷⁰ is an apocalyptic number.

51470 is a deficient number, since it is larger than the sum of its proper divisors (41194).

51470 is a wasteful number, since it uses less digits than its factorization.

51470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5154.

The product of its (nonzero) digits is 140, while the sum is 17.

The square root of 51470 is about 226.8700068321. The cubic root of 51470 is about 37.1978686103.

Adding to 51470 its reverse (7415), we get a palindrome (58885).

The spelling of 51470 in words is "fifty-one thousand, four hundred seventy".