57839669 has 2 divisors, whose sum is σ = 57839670. Its totient is φ = 57839668.

The previous prime is 57839633. The next prime is 57839671. The reversal of 57839669 is 96693875.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31696900 + 26142769 = 5630^2 + 5113^2 .

It is a cyclic number.

It is not a de Polignac number, because 57839669 - 2⁸ = 57839413 is a prime.

It is a super-2 number, since 2×57839669² = 6690854620059122, which contains 22 as substring.

Together with 57839671, it forms a pair of twin primes.

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 57839669.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57839689) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28919834 + 28919835.

It is an arithmetic number, because the mean of its divisors is an integer number (28919835).

Almost surely, 2^57839669 is an apocalyptic number.

It is an amenable number.

57839669 is a deficient number, since it is larger than the sum of its proper divisors (1).

57839669 is an equidigital number, since it uses as much as digits as its factorization.

57839669 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2449440, while the sum is 53.

The square root of 57839669 is about 7605.2395754506. The cubic root of 57839669 is about 386.7306558619.

The spelling of 57839669 in words is "fifty-seven million, eight hundred thirty-nine thousand, six hundred sixty-nine".