55049573 has 2 divisors, whose sum is σ = 55049574. Its totient is φ = 55049572.

The previous prime is 55049567. The next prime is 55049597. The reversal of 55049573 is 37594055.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46881409 + 8168164 = 6847^2 + 2858^2 .

It is a cyclic number.

It is not a de Polignac number, because 55049573 - 2⁶ = 55049509 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is equal to p_3284993 and since 55049573 and 3284993 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55049513) 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, 27524786 + 27524787.

It is an arithmetic number, because the mean of its divisors is an integer number (27524787).

Almost surely, 2^55049573 is an apocalyptic number.

It is an amenable number.

55049573 is a deficient number, since it is larger than the sum of its proper divisors (1).

55049573 is an equidigital number, since it uses as much as digits as its factorization.

55049573 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 94500, while the sum is 38.

The square root of 55049573 is about 7419.5399453066. The cubic root of 55049573 is about 380.4094685914.

The spelling of 55049573 in words is "fifty-five million, forty-nine thousand, five hundred seventy-three".