57068969 has 4 divisors (see below), whose sum is σ = 58145796. Its totient is φ = 55992144.

The previous prime is 57068953. The next prime is 57068987. The reversal of 57068969 is 96986075.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 27962944 + 29106025 = 5288^2 + 5395^2 .

It is a cyclic number.

It is not a de Polignac number, because 57068969 - 2⁴ = 57068953 is a prime.

It is a super-2 number, since 2×57068969² = 6513734445445922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57068909) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 538334 + ... + 538439.

It is an arithmetic number, because the mean of its divisors is an integer number (14536449).

Almost surely, 2^57068969 is an apocalyptic number.

It is an amenable number.

57068969 is a deficient number, since it is larger than the sum of its proper divisors (1076827).

57068969 is a wasteful number, since it uses less digits than its factorization.

57068969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1076826.

The product of its (nonzero) digits is 816480, while the sum is 50.

The square root of 57068969 is about 7554.4006380387. The cubic root of 57068969 is about 385.0052711934.

The spelling of 57068969 in words is "fifty-seven million, sixty-eight thousand, nine hundred sixty-nine".