51469343 has 4 divisors (see below), whose sum is σ = 51739008. Its totient is φ = 51199680.

The previous prime is 51469321. The next prime is 51469349. The reversal of 51469343 is 34396415.

It is a happy number.

51469343 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 a cyclic number.

It is not a de Polignac number, because 51469343 - 2⁶ = 51469279 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 (51469349) 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, 134546 + ... + 134927.

It is an arithmetic number, because the mean of its divisors is an integer number (12934752).

Almost surely, 2^51469343 is an apocalyptic number.

51469343 is a deficient number, since it is larger than the sum of its proper divisors (269665).

51469343 is a wasteful number, since it uses less digits than its factorization.

51469343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269664.

The product of its digits is 38880, while the sum is 35.

The square root of 51469343 is about 7174.2137548306. The cubic root of 51469343 is about 371.9771033620.

The spelling of 51469343 in words is "fifty-one million, four hundred sixty-nine thousand, three hundred forty-three".