57772945 has 8 divisors (see below), whose sum is σ = 69941736. Its totient is φ = 45808896.

The previous prime is 57772927. The next prime is 57772973. The reversal of 57772945 is 54927775.

57772945 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 3721041 + 54051904 = 1929^2 + 7352^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 57772945 - 2¹¹ = 57770897 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 57772895 and 57772904.

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 7 ways as a sum of consecutive naturals, for example, 50562 + ... + 51691.

It is an arithmetic number, because the mean of its divisors is an integer number (8742717).

Almost surely, 2^57772945 is an apocalyptic number.

It is an amenable number.

57772945 is a deficient number, since it is larger than the sum of its proper divisors (12168791).

57772945 is a wasteful number, since it uses less digits than its factorization.

57772945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102371.

The product of its digits is 617400, while the sum is 46.

The square root of 57772945 is about 7600.8515970252. The cubic root of 57772945 is about 386.5818874607.

The spelling of 57772945 in words is "fifty-seven million, seven hundred seventy-two thousand, nine hundred forty-five".