57616645 has 16 divisors (see below), whose sum is σ = 73261440. Its totient is φ = 43377984.

The previous prime is 57616639. The next prime is 57616673. The reversal of 57616645 is 54661675.

57616645 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 57616645 - 2⁹ = 57616133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 57616598 and 57616607.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12984 + ... + 16846.

It is an arithmetic number, because the mean of its divisors is an integer number (4578840).

Almost surely, 2^57616645 is an apocalyptic number.

It is an amenable number.

57616645 is a deficient number, since it is larger than the sum of its proper divisors (15644795).

57616645 is a wasteful number, since it uses less digits than its factorization.

57616645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4044.

The product of its digits is 151200, while the sum is 40.

The square root of 57616645 is about 7590.5628908534. The cubic root of 57616645 is about 386.2329506549.

The spelling of 57616645 in words is "fifty-seven million, six hundred sixteen thousand, six hundred forty-five".