54999955331 has 4 divisors (see below), whose sum is σ = 55005383664. Its totient is φ = 54994527000.

The previous prime is 54999955321. The next prime is 54999955349. The reversal of 54999955331 is 13355999945.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13355999945 = 5 ⋅2671199989.

It is a cyclic number.

It is not a de Polignac number, because 54999955331 - 2¹⁸ = 54999693187 is a prime.

It is a super-2 number, since 2×54999955331² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54999955301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2698940 + ... + 2719241.

It is an arithmetic number, because the mean of its divisors is an integer number (13751345916).

Almost surely, 2^54999955331 is an apocalyptic number.

54999955331 is a deficient number, since it is larger than the sum of its proper divisors (5428333).

54999955331 is a wasteful number, since it uses less digits than its factorization.

54999955331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5428332.

The product of its digits is 29524500, while the sum is 62.

The spelling of 54999955331 in words is "fifty-four billion, nine hundred ninety-nine million, nine hundred fifty-five thousand, three hundred thirty-one".