55498243 has 2 divisors, whose sum is σ = 55498244. Its totient is φ = 55498242.

The previous prime is 55498231. The next prime is 55498273. The reversal of 55498243 is 34289455.

55498243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55498243 - 2¹⁷ = 55367171 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55498196 and 55498205.

It is not a weakly prime, because it can be changed into another prime (55498213) 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, 27749121 + 27749122.

It is an arithmetic number, because the mean of its divisors is an integer number (27749122).

Almost surely, 2^55498243 is an apocalyptic number.

55498243 is a deficient number, since it is larger than the sum of its proper divisors (1).

55498243 is an equidigital number, since it uses as much as digits as its factorization.

55498243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 172800, while the sum is 40.

The square root of 55498243 is about 7449.7142898235. The cubic root of 55498243 is about 381.4401560404.

It can be divided in two parts, 554982 and 43, that added together give a square (555025 = 745²).

The spelling of 55498243 in words is "fifty-five million, four hundred ninety-eight thousand, two hundred forty-three".