54277669 has 2 divisors, whose sum is σ = 54277670. Its totient is φ = 54277668.

The previous prime is 54277649. The next prime is 54277681. The reversal of 54277669 is 96677245.

54277669 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30140100 + 24137569 = 5490^2 + 4913^2 .

It is a cyclic number.

It is not a de Polignac number, because 54277669 - 2¹¹ = 54275621 is a prime.

It is a super-2 number, since 2×54277669² = 5892130704147122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54277609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27138834 + 27138835.

It is an arithmetic number, because the mean of its divisors is an integer number (27138835).

Almost surely, 2^54277669 is an apocalyptic number.

It is an amenable number.

54277669 is a deficient number, since it is larger than the sum of its proper divisors (1).

54277669 is an equidigital number, since it uses as much as digits as its factorization.

54277669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 635040, while the sum is 46.

The square root of 54277669 is about 7367.3379860028. The cubic root of 54277669 is about 378.6230614415.

It can be divided in two parts, 54277 and 669, that added together give a triangular number (54946 = T₃₃₁).

The spelling of 54277669 in words is "fifty-four million, two hundred seventy-seven thousand, six hundred sixty-nine".