42554536321 has 16 divisors (see below), whose sum is σ = 46854930240. Its totient is φ = 38326417920.

The previous prime is 42554536307. The next prime is 42554536333. The reversal of 42554536321 is 12363545524.

It is not a de Polignac number, because 42554536321 - 2¹⁵ = 42554503553 is a prime.

It is a super-2 number, since 2×42554536321² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42554536121) 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, 3365950 + ... + 3378568.

It is an arithmetic number, because the mean of its divisors is an integer number (2928433140).

Almost surely, 2^42554536321 is an apocalyptic number.

It is an amenable number.

42554536321 is a deficient number, since it is larger than the sum of its proper divisors (4300393919).

42554536321 is a wasteful number, since it uses less digits than its factorization.

42554536321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15456.

The product of its digits is 432000, while the sum is 40.

It can be divided in two parts, 42554 and 536321, that added together give a palindrome (578875).

The spelling of 42554536321 in words is "forty-two billion, five hundred fifty-four million, five hundred thirty-six thousand, three hundred twenty-one".