55973249 has 2 divisors, whose sum is σ = 55973250. Its totient is φ = 55973248.

The previous prime is 55973243. The next prime is 55973263. The reversal of 55973249 is 94237955.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54169600 + 1803649 = 7360^2 + 1343^2 .

It is a cyclic number.

It is not a de Polignac number, because 55973249 - 2²⁰ = 54924673 is a prime.

It is not a weakly prime, because it can be changed into another prime (55973243) 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, 27986624 + 27986625.

It is an arithmetic number, because the mean of its divisors is an integer number (27986625).

Almost surely, 2^55973249 is an apocalyptic number.

It is an amenable number.

55973249 is a deficient number, since it is larger than the sum of its proper divisors (1).

55973249 is an equidigital number, since it uses as much as digits as its factorization.

55973249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 340200, while the sum is 44.

The square root of 55973249 is about 7481.5271836705. The cubic root of 55973249 is about 382.5253068252.

The spelling of 55973249 in words is "fifty-five million, nine hundred seventy-three thousand, two hundred forty-nine".