57005565 has 8 divisors (see below), whose sum is σ = 91208928. Its totient is φ = 30402960.

The previous prime is 57005551. The next prime is 57005603. The reversal of 57005565 is 56550075.

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

It is not a de Polignac number, because 57005565 - 2¹¹ = 57003517 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1900171 + ... + 1900200.

It is an arithmetic number, because the mean of its divisors is an integer number (11401116).

Almost surely, 2^57005565 is an apocalyptic number.

It is an amenable number.

57005565 is a deficient number, since it is larger than the sum of its proper divisors (34203363).

57005565 is a wasteful number, since it uses less digits than its factorization.

57005565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3800379.

The product of its (nonzero) digits is 26250, while the sum is 33.

The square root of 57005565 is about 7550.2029774040. The cubic root of 57005565 is about 384.8626372282.

The spelling of 57005565 in words is "fifty-seven million, five thousand, five hundred sixty-five".