6538287057 has 16 divisors (see below), whose sum is σ = 9479999232. Its totient is φ = 3991576320.

The previous prime is 6538287031. The next prime is 6538287061. The reversal of 6538287057 is 7507828356.

It is not a de Polignac number, because 6538287057 - 2⁷ = 6538286929 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (6538287157) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1730569 + ... + 1734342.

It is an arithmetic number, because the mean of its divisors is an integer number (592499952).

Almost surely, 2^6538287057 is an apocalyptic number.

It is an amenable number.

6538287057 is a deficient number, since it is larger than the sum of its proper divisors (2941712175).

6538287057 is a wasteful number, since it uses less digits than its factorization.

6538287057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3464968.

The product of its (nonzero) digits is 2822400, while the sum is 51.

The square root of 6538287057 is about 80859.6750982837. The cubic root of 6538287057 is about 1869.9126859248.

The spelling of 6538287057 in words is "six billion, five hundred thirty-eight million, two hundred eighty-seven thousand, fifty-seven".