57566245 has 8 divisors (see below), whose sum is σ = 75359520. Its totient is φ = 41866320.

The previous prime is 57566239. The next prime is 57566261. The reversal of 57566245 is 54266575.

57566245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 57566245 - 2³ = 57566237 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 57566198 and 57566207.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 523275 + ... + 523384.

It is an arithmetic number, because the mean of its divisors is an integer number (9419940).

Almost surely, 2^57566245 is an apocalyptic number.

57566245 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

57566245 is a deficient number, since it is larger than the sum of its proper divisors (17793275).

57566245 is a wasteful number, since it uses less digits than its factorization.

57566245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1046675.

The product of its digits is 252000, while the sum is 40.

The square root of 57566245 is about 7587.2422526238. The cubic root of 57566245 is about 386.1202990681.

The spelling of 57566245 in words is "fifty-seven million, five hundred sixty-six thousand, two hundred forty-five".