56583557 has 2 divisors, whose sum is σ = 56583558. Its totient is φ = 56583556.

The previous prime is 56583503. The next prime is 56583581. The reversal of 56583557 is 75538565.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56085121 + 498436 = 7489^2 + 706^2 .

It is a cyclic number.

It is not a de Polignac number, because 56583557 - 2⁶ = 56583493 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 (56583757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28291778 + 28291779.

It is an arithmetic number, because the mean of its divisors is an integer number (28291779).

Almost surely, 2^56583557 is an apocalyptic number.

It is an amenable number.

56583557 is a deficient number, since it is larger than the sum of its proper divisors (1).

56583557 is an equidigital number, since it uses as much as digits as its factorization.

56583557 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 630000, while the sum is 44.

The square root of 56583557 is about 7522.2042647086. The cubic root of 56583557 is about 383.9105807598.

The spelling of 56583557 in words is "fifty-six million, five hundred eighty-three thousand, five hundred fifty-seven".