57535138 has 4 divisors (see below), whose sum is σ = 86302710. Its totient is φ = 28767568.

The previous prime is 57535109. The next prime is 57535141. The reversal of 57535138 is 83153575.

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

It can be written as a sum of positive squares in only one way, i.e., 46063369 + 11471769 = 6787^2 + 3387^2 .

It is a junction number, because it is equal to n+sod(n) for n = 57535097 and 57535106.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14383783 + ... + 14383786.

Almost surely, 2^57535138 is an apocalyptic number.

57535138 is a deficient number, since it is larger than the sum of its proper divisors (28767572).

57535138 is a wasteful number, since it uses less digits than its factorization.

57535138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28767571.

The product of its digits is 63000, while the sum is 37.

The square root of 57535138 is about 7585.1920213004. The cubic root of 57535138 is about 386.0507374221.

The spelling of 57535138 in words is "fifty-seven million, five hundred thirty-five thousand, one hundred thirty-eight".