42005054533 has 4 divisors (see below), whose sum is σ = 45236212588. Its totient is φ = 38773896480.

The previous prime is 42005054527. The next prime is 42005054561. The reversal of 42005054533 is 33545050024.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5685461604 + 36319592929 = 75402^2 + 190577^2 .

It is a cyclic number.

It is not a de Polignac number, because 42005054533 - 2²⁵ = 41971500101 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42005054495 and 42005054504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42005054563) 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, 1615579008 + ... + 1615579033.

It is an arithmetic number, because the mean of its divisors is an integer number (11309053147).

Almost surely, 2^42005054533 is an apocalyptic number.

It is an amenable number.

42005054533 is a deficient number, since it is larger than the sum of its proper divisors (3231158055).

42005054533 is a wasteful number, since it uses less digits than its factorization.

42005054533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3231158054.

The product of its (nonzero) digits is 36000, while the sum is 31.

The spelling of 42005054533 in words is "forty-two billion, five million, fifty-four thousand, five hundred thirty-three".