42552340539 has 4 divisors (see below), whose sum is σ = 56736454056. Its totient is φ = 28368227024.

The previous prime is 42552340529. The next prime is 42552340573. The reversal of 42552340539 is 93504325524.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42552340539 - 2⁹ = 42552340027 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42552340539.

It is not an unprimeable number, because it can be changed into a prime (42552340529) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7092056754 + ... + 7092056759.

It is an arithmetic number, because the mean of its divisors is an integer number (14184113514).

Almost surely, 2^42552340539 is an apocalyptic number.

42552340539 is a deficient number, since it is larger than the sum of its proper divisors (14184113517).

42552340539 is a wasteful number, since it uses less digits than its factorization.

42552340539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14184113516.

The product of its (nonzero) digits is 648000, while the sum is 42.

The spelling of 42552340539 in words is "forty-two billion, five hundred fifty-two million, three hundred forty thousand, five hundred thirty-nine".