57715055 has 4 divisors (see below), whose sum is σ = 69258072. Its totient is φ = 46172040.

The previous prime is 57715019. The next prime is 57715057. The reversal of 57715055 is 55051775.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 57715055 - 2²² = 53520751 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57715057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5771501 + ... + 5771510.

It is an arithmetic number, because the mean of its divisors is an integer number (17314518).

Almost surely, 2^57715055 is an apocalyptic number.

57715055 is a deficient number, since it is larger than the sum of its proper divisors (11543017).

57715055 is a wasteful number, since it uses less digits than its factorization.

57715055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11543016.

The product of its (nonzero) digits is 30625, while the sum is 35.

The square root of 57715055 is about 7597.0425166640. The cubic root of 57715055 is about 386.4527225924.

The spelling of 57715055 in words is "fifty-seven million, seven hundred fifteen thousand, fifty-five".