53075780329 has 32 divisors (see below), whose sum is σ = 65103139584.
Its totient is φ = 42578215680.
The previous prime is 53075780311. The next prime is 53075780333. The reversal of 53075780329 is 92308757035.
It is not a de Polignac number, because 53075780329 - 211 = 53075778281 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (53075780029) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7669779 + ... + 7676695.
It is an arithmetic number, because the mean of its divisors is an integer number (2034473112).
Almost surely, 253075780329 is an apocalyptic number.
It is an amenable number.
53075780329 is a deficient number, since it is larger than the sum of its proper divisors (12027359255).
53075780329 is a wasteful number, since it uses less digits than its factorization.
53075780329 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9297.
The product of its (nonzero) digits is 1587600, while the sum is 49.
The spelling of 53075780329 in words is "fifty-three billion, seventy-five million, seven hundred eighty thousand, three hundred twenty-nine".