54272681 has 2 divisors, whose sum is σ = 54272682. Its totient is φ = 54272680.

The previous prime is 54272677. The next prime is 54272693. The reversal of 54272681 is 18627245.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39488656 + 14784025 = 6284^2 + 3845^2 .

It is a cyclic number.

It is not a de Polignac number, because 54272681 - 2² = 54272677 is a prime.

It is a super-4 number, since 4×54272681⁴ (a number of 32 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (54277681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27136340 + 27136341.

It is an arithmetic number, because the mean of its divisors is an integer number (27136341).

Almost surely, 2^54272681 is an apocalyptic number.

It is an amenable number.

54272681 is a deficient number, since it is larger than the sum of its proper divisors (1).

54272681 is an equidigital number, since it uses as much as digits as its factorization.

54272681 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26880, while the sum is 35.

The square root of 54272681 is about 7366.9994570381. Note that the first 3 decimals coincide. The cubic root of 54272681 is about 378.6114628736.

The spelling of 54272681 in words is "fifty-four million, two hundred seventy-two thousand, six hundred eighty-one".