54012021103533 has 4 divisors (see below), whose sum is σ = 72016028138048. Its totient is φ = 36008014069020.

The previous prime is 54012021103519. The next prime is 54012021103549. The reversal of 54012021103533 is 33530112021045.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 54012021103533 - 2²² = 54012016909229 is a prime.

It is a super-2 number, since 2×54012021103533² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 54012021103533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54012021103633) 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, 9002003517253 + ... + 9002003517258.

It is an arithmetic number, because the mean of its divisors is an integer number (18004007034512).

Almost surely, 2^{54012021103533} is an apocalyptic number.

It is an amenable number.

54012021103533 is a deficient number, since it is larger than the sum of its proper divisors (18004007034515).

54012021103533 is a wasteful number, since it uses less digits than its factorization.

54012021103533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18004007034514.

The product of its (nonzero) digits is 10800, while the sum is 30.

Adding to 54012021103533 its reverse (33530112021045), we get a palindrome (87542133124578).

The spelling of 54012021103533 in words is "fifty-four trillion, twelve billion, twenty-one million, one hundred three thousand, five hundred thirty-three".