57005559 has 48 divisors (see below), whose sum is σ = 94533600. Its totient is φ = 33948720.

The previous prime is 57005551. The next prime is 57005603. The reversal of 57005559 is 95550075.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is not a de Polignac number, because 57005559 - 2³ = 57005551 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57005551) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1838874 + ... + 1838904.

It is an arithmetic number, because the mean of its divisors is an integer number (1969450).

Almost surely, 2^57005559 is an apocalyptic number.

57005559 is a deficient number, since it is larger than the sum of its proper divisors (37528041).

57005559 is an equidigital number, since it uses as much as digits as its factorization.

57005559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110 (or 47 counting only the distinct ones).

The product of its (nonzero) digits is 39375, while the sum is 36.

The square root of 57005559 is about 7550.2025800637. The cubic root of 57005559 is about 384.8626237255.

The spelling of 57005559 in words is "fifty-seven million, five thousand, five hundred fifty-nine".