55563061 has 2 divisors, whose sum is σ = 55563062. Its totient is φ = 55563060.

The previous prime is 55563047. The next prime is 55563083. The reversal of 55563061 is 16036555.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46376100 + 9186961 = 6810^2 + 3031^2 .

It is a cyclic number.

It is not a de Polignac number, because 55563061 - 2¹⁷ = 55431989 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55563031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27781530 + 27781531.

It is an arithmetic number, because the mean of its divisors is an integer number (27781531).

Almost surely, 2^55563061 is an apocalyptic number.

It is an amenable number.

55563061 is a deficient number, since it is larger than the sum of its proper divisors (1).

55563061 is an equidigital number, since it uses as much as digits as its factorization.

55563061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13500, while the sum is 31.

The square root of 55563061 is about 7454.0633885150. The cubic root of 55563061 is about 381.5885965890.

The spelling of 55563061 in words is "fifty-five million, five hundred sixty-three thousand, sixty-one".