55304539 has 2 divisors, whose sum is σ = 55304540. Its totient is φ = 55304538.

The previous prime is 55304533. The next prime is 55304549. The reversal of 55304539 is 93540355.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55304539 - 2⁹ = 55304027 is a prime.

It is equal to p_3299281 and since 55304539 and 3299281 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (55304533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27652269 + 27652270.

It is an arithmetic number, because the mean of its divisors is an integer number (27652270).

Almost surely, 2^55304539 is an apocalyptic number.

55304539 is a deficient number, since it is larger than the sum of its proper divisors (1).

55304539 is an equidigital number, since it uses as much as digits as its factorization.

55304539 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40500, while the sum is 34.

The square root of 55304539 is about 7436.7021588874. The cubic root of 55304539 is about 380.9958620209.

The spelling of 55304539 in words is "fifty-five million, three hundred four thousand, five hundred thirty-nine".