57555055 has 8 divisors (see below), whose sum is σ = 69940800. Its totient is φ = 45460896.

The previous prime is 57555049. The next prime is 57555059. The reversal of 57555055 is 55055575.

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

It is a cyclic number.

It is not a de Polignac number, because 57555055 - 2⁹ = 57554543 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57555059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72460 + ... + 73249.

It is an arithmetic number, because the mean of its divisors is an integer number (8742600).

Almost surely, 2^57555055 is an apocalyptic number.

57555055 is a deficient number, since it is larger than the sum of its proper divisors (12385745).

57555055 is a wasteful number, since it uses less digits than its factorization.

57555055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145793.

The product of its (nonzero) digits is 109375, while the sum is 37.

The square root of 57555055 is about 7586.5047946996. The cubic root of 57555055 is about 386.0952788145.

The spelling of 57555055 in words is "fifty-seven million, five hundred fifty-five thousand, fifty-five".