63057557 has 2 divisors, whose sum is σ = 63057558. Its totient is φ = 63057556.

The previous prime is 63057551. The next prime is 63057569. The reversal of 63057557 is 75575036.

63057557 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52041796 + 11015761 = 7214^2 + 3319^2 .

It is a cyclic number.

It is not a de Polignac number, because 63057557 - 2⁴ = 63057541 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 63057557.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63057551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31528778 + 31528779.

It is an arithmetic number, because the mean of its divisors is an integer number (31528779).

Almost surely, 2^63057557 is an apocalyptic number.

It is an amenable number.

63057557 is a deficient number, since it is larger than the sum of its proper divisors (1).

63057557 is an equidigital number, since it uses as much as digits as its factorization.

63057557 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 110250, while the sum is 38.

The square root of 63057557 is about 7940.8788556431. The cubic root of 63057557 is about 398.0268598827.

The spelling of 63057557 in words is "sixty-three million, fifty-seven thousand, five hundred fifty-seven".