57109365 has 24 divisors (see below), whose sum is σ = 99167328. Its totient is φ = 30403680.

The previous prime is 57109343. The next prime is 57109369. The reversal of 57109365 is 56390175.

It is a happy number.

It is not a de Polignac number, because 57109365 - 2⁵ = 57109333 is a prime.

It is a super-2 number, since 2×57109365² = 6522959141406450, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57109369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43042 + ... + 44348.

It is an arithmetic number, because the mean of its divisors is an integer number (4131972).

Almost surely, 2^57109365 is an apocalyptic number.

It is an amenable number.

57109365 is a deficient number, since it is larger than the sum of its proper divisors (42057963).

57109365 is a wasteful number, since it uses less digits than its factorization.

57109365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2289 (or 2286 counting only the distinct ones).

The product of its (nonzero) digits is 28350, while the sum is 36.

The square root of 57109365 is about 7557.0738384642. The cubic root of 57109365 is about 385.0960911551.

The spelling of 57109365 in words is "fifty-seven million, one hundred nine thousand, three hundred sixty-five".