57376209 has 16 divisors (see below), whose sum is σ = 83902464. Its totient is φ = 34587600.

The previous prime is 57376201. The next prime is 57376211. The reversal of 57376209 is 90267375.

It is not a de Polignac number, because 57376209 - 2³ = 57376201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57376201) 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 15 ways as a sum of consecutive naturals, for example, 1752 + ... + 10854.

It is an arithmetic number, because the mean of its divisors is an integer number (5243904).

Almost surely, 2^57376209 is an apocalyptic number.

It is an amenable number.

57376209 is a deficient number, since it is larger than the sum of its proper divisors (26526255).

57376209 is a wasteful number, since it uses less digits than its factorization.

57376209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9308.

The product of its (nonzero) digits is 79380, while the sum is 39.

The square root of 57376209 is about 7574.7085092431. The cubic root of 57376209 is about 385.6949476685.

The spelling of 57376209 in words is "fifty-seven million, three hundred seventy-six thousand, two hundred nine".