55435273 has 2 divisors, whose sum is σ = 55435274. Its totient is φ = 55435272.

The previous prime is 55435229. The next prime is 55435277. The reversal of 55435273 is 37253455.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46744569 + 8690704 = 6837^2 + 2948^2 .

It is a cyclic number.

It is not a de Polignac number, because 55435273 - 2¹⁷ = 55304201 is a prime.

It is not a weakly prime, because it can be changed into another prime (55435277) 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, 27717636 + 27717637.

It is an arithmetic number, because the mean of its divisors is an integer number (27717637).

Almost surely, 2^55435273 is an apocalyptic number.

It is an amenable number.

55435273 is a deficient number, since it is larger than the sum of its proper divisors (1).

55435273 is an equidigital number, since it uses as much as digits as its factorization.

55435273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 63000, while the sum is 34.

The square root of 55435273 is about 7445.4867537321. The cubic root of 55435273 is about 381.2958368969.

It can be divided in two parts, 5543 and 5273, that added together give a square (10816 = 104²).

The spelling of 55435273 in words is "fifty-five million, four hundred thirty-five thousand, two hundred seventy-three".