54551541331 has 4 divisors (see below), whose sum is σ = 62344618672. Its totient is φ = 46758463992.

The previous prime is 54551541329. The next prime is 54551541419. The reversal of 54551541331 is 13314515545.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 54551541331 - 2¹ = 54551541329 is a prime.

It is a super-2 number, since 2×54551541331² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (54551541301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3896538660 + ... + 3896538673.

It is an arithmetic number, because the mean of its divisors is an integer number (15586154668).

Almost surely, 2^54551541331 is an apocalyptic number.

54551541331 is a deficient number, since it is larger than the sum of its proper divisors (7793077341).

54551541331 is an equidigital number, since it uses as much as digits as its factorization.

54551541331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7793077340.

The product of its digits is 90000, while the sum is 37.

The spelling of 54551541331 in words is "fifty-four billion, five hundred fifty-one million, five hundred forty-one thousand, three hundred thirty-one".