57109306 has 8 divisors (see below), whose sum is σ = 85696884. Its totient is φ = 28543680.

The previous prime is 57109303. The next prime is 57109309. The reversal of 57109306 is 60390175.

It is an interprime number because it is at equal distance from previous prime (57109303) and next prime (57109309).

It can be written as a sum of positive squares in 2 ways, for example, as 34117281 + 22992025 = 5841^2 + 4795^2 .

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

It is a super-2 number, since 2×57109306² = 6522945663603272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (57109303) 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, 5116 + ... + 11848.

Almost surely, 2^57109306 is an apocalyptic number.

57109306 is a deficient number, since it is larger than the sum of its proper divisors (28587578).

57109306 is a wasteful number, since it uses less digits than its factorization.

57109306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10976.

The product of its (nonzero) digits is 5670, while the sum is 31.

The square root of 57109306 is about 7557.0699348359. The cubic root of 57109306 is about 385.0959585401.

The spelling of 57109306 in words is "fifty-seven million, one hundred nine thousand, three hundred six".