43021054533 has 16 divisors (see below), whose sum is σ = 58770867456. Its totient is φ = 27976220160.

The previous prime is 43021054519. The next prime is 43021054537. The reversal of 43021054533 is 33545012034.

It is not a de Polignac number, because 43021054533 - 2⁵ = 43021054501 is a prime.

It is a super-2 number, since 2×43021054533² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 43021054533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43021054537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 745485 + ... + 801117.

It is an arithmetic number, because the mean of its divisors is an integer number (3673179216).

Almost surely, 2^43021054533 is an apocalyptic number.

It is an amenable number.

43021054533 is a deficient number, since it is larger than the sum of its proper divisors (15749812923).

43021054533 is a wasteful number, since it uses less digits than its factorization.

43021054533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61964.

The product of its (nonzero) digits is 21600, while the sum is 30.

Adding to 43021054533 its reverse (33545012034), we get a palindrome (76566066567).

The spelling of 43021054533 in words is "forty-three billion, twenty-one million, fifty-four thousand, five hundred thirty-three".