55322893 has 2 divisors, whose sum is σ = 55322894. Its totient is φ = 55322892.

The previous prime is 55322887. The next prime is 55322909. The reversal of 55322893 is 39822355.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55308969 + 13924 = 7437^2 + 118^2 .

It is a cyclic number.

It is not a de Polignac number, because 55322893 - 2¹⁷ = 55191821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55322833) 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, 27661446 + 27661447.

It is an arithmetic number, because the mean of its divisors is an integer number (27661447).

Almost surely, 2^55322893 is an apocalyptic number.

It is an amenable number.

55322893 is a deficient number, since it is larger than the sum of its proper divisors (1).

55322893 is an equidigital number, since it uses as much as digits as its factorization.

55322893 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64800, while the sum is 37.

The square root of 55322893 is about 7437.9360712499. The cubic root of 55322893 is about 381.0380045812.

The spelling of 55322893 in words is "fifty-five million, three hundred twenty-two thousand, eight hundred ninety-three".