60553561 has 2 divisors, whose sum is σ = 60553562. Its totient is φ = 60553560.

The previous prime is 60553523. The next prime is 60553621. The reversal of 60553561 is 16535506.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38875225 + 21678336 = 6235^2 + 4656^2 .

It is a cyclic number.

It is not a de Polignac number, because 60553561 - 2¹⁹ = 60029273 is a prime.

It is not a weakly prime, because it can be changed into another prime (60553501) 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, 30276780 + 30276781.

It is an arithmetic number, because the mean of its divisors is an integer number (30276781).

Almost surely, 2^60553561 is an apocalyptic number.

It is an amenable number.

60553561 is a deficient number, since it is larger than the sum of its proper divisors (1).

60553561 is an equidigital number, since it uses as much as digits as its factorization.

60553561 is an odious number, because the sum of its binary digits is odd.

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

The square root of 60553561 is about 7781.6168628377. The cubic root of 60553561 is about 392.6870348809.

The spelling of 60553561 in words is "sixty million, five hundred fifty-three thousand, five hundred sixty-one".