57289762 has 8 divisors (see below), whose sum is σ = 90989676. Its totient is φ = 26959872.

The previous prime is 57289759. The next prime is 57289763. The reversal of 57289762 is 26798275.

It is a Cunningham number, because it is equal to 87⁴+1.

It can be written as a sum of positive squares in 2 ways, for example, as 57289761 + 1 = 7569^2 + 1^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (57289763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 842463 + ... + 842530.

Almost surely, 2^57289762 is an apocalyptic number.

57289762 is a deficient number, since it is larger than the sum of its proper divisors (33699914).

57289762 is a wasteful number, since it uses less digits than its factorization.

57289762 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1685012.

The product of its digits is 423360, while the sum is 46.

The square root of 57289762 is about 7569.0000660589. Note that the first 4 decimals coincide. The cubic root of 57289762 is about 385.5011453303.

The spelling of 57289762 in words is "fifty-seven million, two hundred eighty-nine thousand, seven hundred sixty-two".