53065357278 has 8 divisors (see below), whose sum is σ = 106130714568. Its totient is φ = 17688452424.

The previous prime is 53065357259. The next prime is 53065357291. The reversal of 53065357278 is 87275356035.

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

53065357278 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 53065357278.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4422113101 + ... + 4422113112.

It is an arithmetic number, because the mean of its divisors is an integer number (13266339321).

Almost surely, 2^53065357278 is an apocalyptic number.

53065357278 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53065357278 is a wasteful number, since it uses less digits than its factorization.

53065357278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8844226218.

The product of its (nonzero) digits is 5292000, while the sum is 51.

The spelling of 53065357278 in words is "fifty-three billion, sixty-five million, three hundred fifty-seven thousand, two hundred seventy-eight".