57011613 has 16 divisors (see below), whose sum is σ = 77362560. Its totient is φ = 37338624.

The previous prime is 57011579. The next prime is 57011627. The reversal of 57011613 is 31611075.

It is a de Polignac number, because none of the positive numbers 2^k-57011613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57011663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95845 + ... + 96437.

It is an arithmetic number, because the mean of its divisors is an integer number (4835160).

Almost surely, 2^57011613 is an apocalyptic number.

It is an amenable number.

57011613 is a deficient number, since it is larger than the sum of its proper divisors (20350947).

57011613 is a wasteful number, since it uses less digits than its factorization.

57011613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1108.

The product of its (nonzero) digits is 630, while the sum is 24.

The square root of 57011613 is about 7550.6034858149. The cubic root of 57011613 is about 384.8762474018.

Adding to 57011613 its reverse (31611075), we get a palindrome (88622688).

The spelling of 57011613 in words is "fifty-seven million, eleven thousand, six hundred thirteen".