55534579 has 2 divisors, whose sum is σ = 55534580. Its totient is φ = 55534578.

The previous prime is 55534499. The next prime is 55534603. The reversal of 55534579 is 97543555.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55534579 - 2⁹ = 55534067 is a prime.

It is not a weakly prime, because it can be changed into another prime (55534379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27767289 + 27767290.

It is an arithmetic number, because the mean of its divisors is an integer number (27767290).

Almost surely, 2^55534579 is an apocalyptic number.

55534579 is a deficient number, since it is larger than the sum of its proper divisors (1).

55534579 is an equidigital number, since it uses as much as digits as its factorization.

55534579 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 472500, while the sum is 43.

The square root of 55534579 is about 7452.1526420223. The cubic root of 55534579 is about 381.5233838151.

The spelling of 55534579 in words is "fifty-five million, five hundred thirty-four thousand, five hundred seventy-nine".