55774339 has 2 divisors, whose sum is σ = 55774340. Its totient is φ = 55774338.

The previous prime is 55774283. The next prime is 55774343. The reversal of 55774339 is 93347755.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55774339 - 2¹³ = 55766147 is a prime.

It is a super-2 number, since 2×55774339² = 6221553781773842, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55774295 and 55774304.

It is not a weakly prime, because it can be changed into another prime (55574339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27887169 + 27887170.

It is an arithmetic number, because the mean of its divisors is an integer number (27887170).

Almost surely, 2^55774339 is an apocalyptic number.

55774339 is a deficient number, since it is larger than the sum of its proper divisors (1).

55774339 is an equidigital number, since it uses as much as digits as its factorization.

55774339 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 396900, while the sum is 43.

The square root of 55774339 is about 7468.2219436758. The cubic root of 55774339 is about 382.0716471516.

The spelling of 55774339 in words is "fifty-five million, seven hundred seventy-four thousand, three hundred thirty-nine".