55063549 has 2 divisors, whose sum is σ = 55063550. Its totient is φ = 55063548.

The previous prime is 55063537. The next prime is 55063559. The reversal of 55063549 is 94536055.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46826649 + 8236900 = 6843^2 + 2870^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55063549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55063529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27531774 + 27531775.

It is an arithmetic number, because the mean of its divisors is an integer number (27531775).

Almost surely, 2^55063549 is an apocalyptic number.

It is an amenable number.

55063549 is a deficient number, since it is larger than the sum of its proper divisors (1).

55063549 is an equidigital number, since it uses as much as digits as its factorization.

55063549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81000, while the sum is 37.

The square root of 55063549 is about 7420.4817229072. The cubic root of 55063549 is about 380.4416586859.

The spelling of 55063549 in words is "fifty-five million, sixty-three thousand, five hundred forty-nine".