57722661 has 24 divisors (see below), whose sum is σ = 84797856. Its totient is φ = 37833120.

The previous prime is 57722659. The next prime is 57722677. The reversal of 57722661 is 16622775.

57722661 is a `hidden beast` number, since 577 + 2 + 26 + 61 = 666.

57722661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 57722661 - 2¹ = 57722659 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57722681) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 203826 + ... + 204108.

It is an arithmetic number, because the mean of its divisors is an integer number (3533244).

Almost surely, 2^57722661 is an apocalyptic number.

It is an amenable number.

57722661 is a deficient number, since it is larger than the sum of its proper divisors (27075195).

57722661 is a wasteful number, since it uses less digits than its factorization.

57722661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 593 (or 590 counting only the distinct ones).

The product of its digits is 35280, while the sum is 36.

The square root of 57722661 is about 7597.5430897100. The cubic root of 57722661 is about 386.4696981187.

The spelling of 57722661 in words is "fifty-seven million, seven hundred twenty-two thousand, six hundred sixty-one".