54477295181 has 2 divisors, whose sum is σ = 54477295182. Its totient is φ = 54477295180.

The previous prime is 54477295177. The next prime is 54477295207. The reversal of 54477295181 is 18159277445.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46670689156 + 7806606025 = 216034^2 + 88355^2 .

It is a cyclic number.

It is not a de Polignac number, because 54477295181 - 2² = 54477295177 is a prime.

It is a super-2 number, since 2×54477295181² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54477295381) 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 as a sum of consecutive naturals, namely, 27238647590 + 27238647591.

It is an arithmetic number, because the mean of its divisors is an integer number (27238647591).

Almost surely, 2^54477295181 is an apocalyptic number.

It is an amenable number.

54477295181 is a deficient number, since it is larger than the sum of its proper divisors (1).

54477295181 is an equidigital number, since it uses as much as digits as its factorization.

54477295181 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2822400, while the sum is 53.

The spelling of 54477295181 in words is "fifty-four billion, four hundred seventy-seven million, two hundred ninety-five thousand, one hundred eighty-one".