57980569 has 6 divisors (see below), whose sum is σ = 59098046. Its totient is φ = 56883840.

The previous prime is 57980543. The next prime is 57980579. The reversal of 57980569 is 96508975.

It can be written as a sum of positive squares in 3 ways, for example, as 10163344 + 47817225 = 3188^2 + 6915^2 .

It is not a de Polignac number, because 57980569 - 2⁵ = 57980537 is a prime.

It is a super-2 number, since 2×57980569² = 6723492763127522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57980579) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7512 + ... + 13129.

Almost surely, 2^57980569 is an apocalyptic number.

It is an amenable number.

57980569 is a deficient number, since it is larger than the sum of its proper divisors (1117477).

57980569 is an equidigital number, since it uses as much as digits as its factorization.

57980569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20747 (or 20694 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 49.

The square root of 57980569 is about 7614.4972913515. The cubic root of 57980569 is about 387.0444322208.

The spelling of 57980569 in words is "fifty-seven million, nine hundred eighty thousand, five hundred sixty-nine".