54669853081 has 4 divisors (see below), whose sum is σ = 55418755252. Its totient is φ = 53920950912.

The previous prime is 54669853067. The next prime is 54669853097. The reversal of 54669853081 is 18035896645.

54669853081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 29256392025 + 25413461056 = 171045^2 + 159416^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54669853081 is a prime.

It is a super-2 number, since 2×54669853081² (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 (54669853031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 374450976 + ... + 374451121.

It is an arithmetic number, because the mean of its divisors is an integer number (13854688813).

Almost surely, 2^54669853081 is an apocalyptic number.

It is an amenable number.

54669853081 is a deficient number, since it is larger than the sum of its proper divisors (748902171).

54669853081 is an equidigital number, since it uses as much as digits as its factorization.

54669853081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 748902170.

The product of its (nonzero) digits is 6220800, while the sum is 55.

The spelling of 54669853081 in words is "fifty-four billion, six hundred sixty-nine million, eight hundred fifty-three thousand, eighty-one".