54521203331 has 12 divisors (see below), whose sum is σ = 63432210600. Its totient is φ = 46725396480.

The previous prime is 54521203291. The next prime is 54521203333. The reversal of 54521203331 is 13330212545.

It is a happy number.

54521203331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-54521203331 is a prime.

It is a super-2 number, since 2×54521203331² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54521203294 and 54521203303.

It is not an unprimeable number, because it can be changed into a prime (54521203333) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 257411 + ... + 418691.

It is an arithmetic number, because the mean of its divisors is an integer number (5286017550).

Almost surely, 2^54521203331 is an apocalyptic number.

54521203331 is a deficient number, since it is larger than the sum of its proper divisors (8911007269).

54521203331 is a wasteful number, since it uses less digits than its factorization.

54521203331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168194 (or 168187 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 29.

Adding to 54521203331 its reverse (13330212545), we get a palindrome (67851415876).

The spelling of 54521203331 in words is "fifty-four billion, five hundred twenty-one million, two hundred three thousand, three hundred thirty-one".