42052534563 has 16 divisors (see below), whose sum is σ = 62330971136.
Its totient is φ = 25043692320.
The previous prime is 42052534547. The next prime is 42052534631. The reversal of 42052534563 is 36543525024.
It is not a de Polignac number, because 42052534563 - 24 = 42052534547 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (42052534543) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17390245 + ... + 17392662.
It is an arithmetic number, because the mean of its divisors is an integer number (3895685696).
Almost surely, 242052534563 is an apocalyptic number.
42052534563 is a deficient number, since it is larger than the sum of its proper divisors (20278436573).
42052534563 is a wasteful number, since it uses less digits than its factorization.
42052534563 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 34782954.
The product of its (nonzero) digits is 432000, while the sum is 39.
The spelling of 42052534563 in words is "forty-two billion, fifty-two million, five hundred thirty-four thousand, five hundred sixty-three".