54645477331 has 4 divisors (see below), whose sum is σ = 57859917192. Its totient is φ = 51431037472.

The previous prime is 54645477319. The next prime is 54645477353. The reversal of 54645477331 is 13377454645.

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 54645477331 - 2⁷ = 54645477203 is a prime.

It is a super-2 number, since 2×54645477331² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54645477391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1607219905 + ... + 1607219938.

It is an arithmetic number, because the mean of its divisors is an integer number (14464979298).

Almost surely, 2^54645477331 is an apocalyptic number.

54645477331 is a deficient number, since it is larger than the sum of its proper divisors (3214439861).

54645477331 is a wasteful number, since it uses less digits than its factorization.

54645477331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3214439860.

The product of its digits is 4233600, while the sum is 49.

The spelling of 54645477331 in words is "fifty-four billion, six hundred forty-five million, four hundred seventy-seven thousand, three hundred thirty-one".