55319249 has 2 divisors, whose sum is σ = 55319250. Its totient is φ = 55319248.

The previous prime is 55319239. The next prime is 55319267. The reversal of 55319249 is 94291355.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44462224 + 10857025 = 6668^2 + 3295^2 .

It is a cyclic number.

It is not a de Polignac number, because 55319249 - 2¹² = 55315153 is a prime.

It is not a weakly prime, because it can be changed into another prime (55319239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27659624 + 27659625.

It is an arithmetic number, because the mean of its divisors is an integer number (27659625).

Almost surely, 2^55319249 is an apocalyptic number.

It is an amenable number.

55319249 is a deficient number, since it is larger than the sum of its proper divisors (1).

55319249 is an equidigital number, since it uses as much as digits as its factorization.

55319249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48600, while the sum is 38.

The square root of 55319249 is about 7437.6911067885. The cubic root of 55319249 is about 381.0296383462.

The spelling of 55319249 in words is "fifty-five million, three hundred nineteen thousand, two hundred forty-nine".