54553356236533 has 48 divisors (see below), whose sum is σ = 73319239073920. Its totient is φ = 39611593296000.

The previous prime is 54553356236413. The next prime is 54553356236543. The reversal of 54553356236533 is 33563265335545.

It is a happy number.

It is not a de Polignac number, because 54553356236533 - 2⁹ = 54553356236021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54553356236543) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 26804238 + ... + 28767583.

Almost surely, 2^{54553356236533} is an apocalyptic number.

It is an amenable number.

54553356236533 is a deficient number, since it is larger than the sum of its proper divisors (18765882837387).

54553356236533 is a wasteful number, since it uses less digits than its factorization.

54553356236533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55571930 (or 55571919 counting only the distinct ones).

The product of its digits is 218700000, while the sum is 58.

The spelling of 54553356236533 in words is "fifty-four trillion, five hundred fifty-three billion, three hundred fifty-six million, two hundred thirty-six thousand, five hundred thirty-three".