51578906343 has 8 divisors (see below), whose sum is σ = 69439563648. Its totient is φ = 34052093304.

The previous prime is 51578906317. The next prime is 51578906347. The reversal of 51578906343 is 34360987515.

51578906343 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 51578906343 - 2⁸ = 51578906087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51578906347) 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, 83460705 + ... + 83461322.

It is an arithmetic number, because the mean of its divisors is an integer number (8679945456).

Almost surely, 2^51578906343 is an apocalyptic number.

51578906343 is a deficient number, since it is larger than the sum of its proper divisors (17860657305).

51578906343 is a wasteful number, since it uses less digits than its factorization.

51578906343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166922133.

The product of its (nonzero) digits is 2721600, while the sum is 51.

The spelling of 51578906343 in words is "fifty-one billion, five hundred seventy-eight million, nine hundred six thousand, three hundred forty-three".