55648253 has 2 divisors, whose sum is σ = 55648254. Its totient is φ = 55648252.

The previous prime is 55648249. The next prime is 55648261. The reversal of 55648253 is 35284655.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53392249 + 2256004 = 7307^2 + 1502^2 .

It is a cyclic number.

It is not a de Polignac number, because 55648253 - 2² = 55648249 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55648213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27824126 + 27824127.

It is an arithmetic number, because the mean of its divisors is an integer number (27824127).

Almost surely, 2^55648253 is an apocalyptic number.

It is an amenable number.

55648253 is a deficient number, since it is larger than the sum of its proper divisors (1).

55648253 is an equidigital number, since it uses as much as digits as its factorization.

55648253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 144000, while the sum is 38.

The square root of 55648253 is about 7459.7756668683. The cubic root of 55648253 is about 381.7835204277.

The spelling of 55648253 in words is "fifty-five million, six hundred forty-eight thousand, two hundred fifty-three".