53355220355 has 4 divisors (see below), whose sum is σ = 64026264432.
Its totient is φ = 42684176280.
The previous prime is 53355220343. The next prime is 53355220379. The reversal of 53355220355 is 55302255335.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 53355220355 - 28 = 53355220099 is a prime.
It is a Duffinian 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, 5335522031 + ... + 5335522040.
It is an arithmetic number, because the mean of its divisors is an integer number (16006566108).
Almost surely, 253355220355 is an apocalyptic number.
53355220355 is a deficient number, since it is larger than the sum of its proper divisors (10671044077).
53355220355 is a wasteful number, since it uses less digits than its factorization.
53355220355 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10671044076.
The product of its (nonzero) digits is 337500, while the sum is 38.
The spelling of 53355220355 in words is "fifty-three billion, three hundred fifty-five million, two hundred twenty thousand, three hundred fifty-five".