55073563 has 2 divisors, whose sum is σ = 55073564. Its totient is φ = 55073562.

The previous prime is 55073483. The next prime is 55073567. The reversal of 55073563 is 36537055.

55073563 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 is a cyclic number.

It is not a de Polignac number, because 55073563 - 2²¹ = 52976411 is a prime.

It is not a weakly prime, because it can be changed into another prime (55073567) 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, 27536781 + 27536782.

It is an arithmetic number, because the mean of its divisors is an integer number (27536782).

Almost surely, 2^55073563 is an apocalyptic number.

55073563 is a deficient number, since it is larger than the sum of its proper divisors (1).

55073563 is an equidigital number, since it uses as much as digits as its factorization.

55073563 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47250, while the sum is 34.

The square root of 55073563 is about 7421.1564462690. The cubic root of 55073563 is about 380.4647199906.

The spelling of 55073563 in words is "fifty-five million, seventy-three thousand, five hundred sixty-three".