54272261 has 2 divisors, whose sum is σ = 54272262. Its totient is φ = 54272260.

The previous prime is 54272221. The next prime is 54272287. The reversal of 54272261 is 16227245.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41088100 + 13184161 = 6410^2 + 3631^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54272261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54272201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27136130 + 27136131.

It is an arithmetic number, because the mean of its divisors is an integer number (27136131).

Almost surely, 2^54272261 is an apocalyptic number.

It is an amenable number.

54272261 is a deficient number, since it is larger than the sum of its proper divisors (1).

54272261 is an equidigital number, since it uses as much as digits as its factorization.

54272261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6720, while the sum is 29.

The square root of 54272261 is about 7366.9709514834. The cubic root of 54272261 is about 378.6104862176.

The spelling of 54272261 in words is "fifty-four million, two hundred seventy-two thousand, two hundred sixty-one".