57016522 has 4 divisors (see below), whose sum is σ = 85524786. Its totient is φ = 28508260.

The previous prime is 57016513. The next prime is 57016573. The reversal of 57016522 is 22561075.

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., 39702601 + 17313921 = 6301^2 + 4161^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14254129 + ... + 14254132.

Almost surely, 2^57016522 is an apocalyptic number.

57016522 is a deficient number, since it is larger than the sum of its proper divisors (28508264).

57016522 is a wasteful number, since it uses less digits than its factorization.

57016522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28508263.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 57016522 is about 7550.9285521716. The cubic root of 57016522 is about 384.8872937084.

Adding to 57016522 its reverse (22561075), we get a palindrome (79577597).

The spelling of 57016522 in words is "fifty-seven million, sixteen thousand, five hundred twenty-two".